JP2008297812A - 建設機械 - Google Patents
建設機械 Download PDFInfo
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- JP2008297812A JP2008297812A JP2007145364A JP2007145364A JP2008297812A JP 2008297812 A JP2008297812 A JP 2008297812A JP 2007145364 A JP2007145364 A JP 2007145364A JP 2007145364 A JP2007145364 A JP 2007145364A JP 2008297812 A JP2008297812 A JP 2008297812A
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 121
- 239000007789 gas Substances 0.000 claims abstract description 25
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000033228 biological regulation Effects 0.000 abstract description 6
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 230000000717 retained effect Effects 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 15
- 239000004202 carbamide Substances 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- -1 that is Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0808—Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1814—Tank level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Operation Control Of Excavators (AREA)
Abstract
【解決手段】エンジンと、油圧シリンダ18、油圧モータ20を含む複数のアクチュエータと、エンジンの排ガス中の窒素酸化物を浄化処理する排ガス処理装置とを有する油圧ショベルにあって、還元剤残量検出装置33によって還元剤貯蔵タンク30内の還元剤の残量が所定残量以下となったとき、油圧シリンダ18によって駆動するフロント作業機の機能の発揮が難しくなるように油圧シリンダ18の作動を規制する規制制御と、このとき油圧モータ20によって駆動する走行体1、旋回体3の機能が発揮されるように、この油圧モータ20の作動を可能に保持する保持制御とを実施するアクチュエータ作動制御手段を備えた構成にしてある。
【選択図】図2
Description
2 走行モータ(走行用アクチュエータ)
3 旋回体
6 エンジン
8 ブーム
9 アーム
10 バケット
11 ブームシリンダ
12 アームシリンダ
13 バケットシリンダ
14 主油圧ポンプ(動力源)
15 主油圧ポンプ(動力源)
16 パイロット油圧ポンプ(動力源)
17 パイロット油圧ポンプ(動力源)
18 油圧シリンダ(所定のアクチュエータ)
19 第1方向制御弁
20 油圧モータ(他のアクチュエータ)
21 第2方向制御弁
22 第1操作装置
23 第2操作装置
24 第1信号路
25 第1信号制御装置(アクチュエータ作動制御手段)
26 第2信号路
27 第2信号制御装置(アクチュエータ作動制御手段)
28 排気通路
29 還元触媒
30 還元剤貯蔵タンク
33 還元剤残量検出装置
35 コントローラ(アクチュエータ作動制御手段)
Claims (5)
- エンジンと、このエンジンによって駆動される動力源と、この動力源から供給される動力によって駆動され、所定のアクチュエータを含む複数のアクチュエータとを有するとともに、
上記エンジンの排気通路に配置され、排ガス中の窒素酸化物を上記還元剤により還元浄化する還元触媒と、還元剤貯蔵タンクと、この還元剤貯蔵タンク内に貯蔵された上記還元剤の残量を検出する還元剤残量検出装置とを含む排ガス処理装置とを有する建設機械において、
上記還元剤残量検出装置によって上記還元剤貯蔵タンク内の上記還元剤の残量が所定残量以下となったとき、上記所定のアクチュエータによって駆動する負荷体の機能の発揮が難しくなるように上記所定のアクチュエータの作動を規制する規制制御と、このとき上記所定のアクチュエータとは異なる他のアクチュエータによって駆動する別の負荷体の機能が発揮されるように、上記他のアクチュエータの作動を可能に保持する保持制御とを実施するアクチュエータ作動制御手段を備えたことを特徴とする建設機械。 - 上記請求項1記載の発明において、
上記アクチュエータ作動制御手段で実施される上記規制制御は、上記所定のアクチュエータの作動を禁止させる制御であることを特徴とする建設機械。 - 上記請求項1記載の発明において、
上記アクチュエータ作動制御手段で実施される上記保持制御は、上記他のアクチュエータの速度規制を受けない通常速度による作動を可能にさせる制御であることを特徴とする建設機械。 - 上記請求項1〜3のいずれか1項記載の発明において、
上記他のアクチュエータが、上記走行用アクチュエータ及び旋回用アクチュエータから成り、
上記所定のアクチュエータが、上記走行用アクチュエータ及び旋回用アクチュエータとは異なるアクチュエータから成ることを特徴とする建設機械。 - 上記請求項4記載の発明において、
上記建設機械が油圧ショベルから成り、
上記所定のアクチュエータがフロント作業機を駆動させるアクチュエータから成ることを特徴とする建設機械。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007145364A JP5160814B2 (ja) | 2007-05-31 | 2007-05-31 | 建設機械 |
EP08764795.4A EP2151528B1 (en) | 2007-05-31 | 2008-05-28 | Construction machine |
US12/598,995 US8096382B2 (en) | 2007-05-31 | 2008-05-28 | Construction machine |
CN2008800178384A CN101680209B (zh) | 2007-05-31 | 2008-05-28 | 建筑机械 |
PCT/JP2008/059779 WO2008146831A1 (ja) | 2007-05-31 | 2008-05-28 | 建設機械 |
KR1020097027256A KR101464020B1 (ko) | 2007-05-31 | 2008-05-28 | 건설 기계 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007145364A JP5160814B2 (ja) | 2007-05-31 | 2007-05-31 | 建設機械 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008297812A true JP2008297812A (ja) | 2008-12-11 |
JP5160814B2 JP5160814B2 (ja) | 2013-03-13 |
Family
ID=40075069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007145364A Expired - Fee Related JP5160814B2 (ja) | 2007-05-31 | 2007-05-31 | 建設機械 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8096382B2 (ja) |
EP (1) | EP2151528B1 (ja) |
JP (1) | JP5160814B2 (ja) |
KR (1) | KR101464020B1 (ja) |
CN (1) | CN101680209B (ja) |
WO (1) | WO2008146831A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016088894A1 (ja) * | 2014-12-05 | 2016-06-09 | 住友重機械工業株式会社 | ショベル及びショベルの制御方法 |
JP2021008716A (ja) * | 2019-06-28 | 2021-01-28 | 日立建機株式会社 | 作業機械 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2287405B1 (en) * | 2008-03-21 | 2017-11-29 | Komatsu, Ltd. | Working vehicle, control device for working vehicle, and control method for working vehicle |
JP2011247232A (ja) * | 2010-05-31 | 2011-12-08 | Caterpillar Sarl | 作業機械 |
CN103597178B (zh) * | 2011-06-14 | 2016-02-24 | 日立建机株式会社 | 工程机械 |
KR101953414B1 (ko) * | 2011-10-04 | 2019-02-28 | 가부시키가이샤 히다치 겡키 티에라 | 배기 가스 정화 장치를 구비한 건설 기계용 유압 구동 시스템 |
CN103687996B (zh) * | 2012-12-20 | 2014-12-31 | 株式会社小松制作所 | 机动平地机 |
JP6505356B2 (ja) * | 2013-07-17 | 2019-04-24 | 住友建機株式会社 | ショベル |
JP6126964B2 (ja) * | 2013-10-03 | 2017-05-10 | 株式会社Kcm | 作業車両 |
JP6126963B2 (ja) * | 2013-10-03 | 2017-05-10 | 株式会社Kcm | 作業車両 |
CN104334802B (zh) * | 2014-08-08 | 2016-04-20 | 株式会社小松制作所 | 液压挖掘机 |
CN107001006B (zh) | 2014-11-10 | 2019-08-06 | 住友建机株式会社 | 带有起重磁铁的工作机械 |
JP6062116B2 (ja) * | 2015-09-01 | 2017-01-18 | 株式会社小松製作所 | 作業車両及びその制御方法 |
CN105593535B (zh) * | 2015-10-05 | 2018-06-12 | 株式会社小松制作所 | 作业车和作业车的控制方法 |
JP6480368B2 (ja) | 2016-03-16 | 2019-03-06 | 株式会社Kcm | 作業車両 |
US12203241B2 (en) | 2018-01-26 | 2025-01-21 | Volvo Construction Equipment Ab | Excavator including upper swing body having free swing function |
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JP2001152921A (ja) * | 1999-11-19 | 2001-06-05 | Komatsu Ltd | 積込作業車両 |
JP2002371831A (ja) * | 2001-06-13 | 2002-12-26 | Nissan Diesel Motor Co Ltd | 自動車の排ガス浄化装置 |
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KR0136743B1 (ko) * | 1992-05-15 | 1998-04-24 | 나까무라 히로까즈 | 하이브리드 차의 운전방법 |
US6266955B1 (en) * | 1999-08-20 | 2001-07-31 | Caterpillar Inc. | Diagnostic system for an emissions control on an engine |
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US20050155345A1 (en) * | 2002-03-29 | 2005-07-21 | Tokyo Electron Limited | Device and method for purifying exhaust gas from industrial vehicle engine |
JP3816893B2 (ja) * | 2003-04-17 | 2006-08-30 | 日立建機株式会社 | 油圧駆動装置 |
KR100597961B1 (ko) * | 2003-04-24 | 2006-07-06 | 한국남부발전 주식회사 | 고정원에서 발생되는 이산화질소 가시매연 저감방법 |
JP4326976B2 (ja) * | 2003-10-22 | 2009-09-09 | 日産ディーゼル工業株式会社 | エンジンの排気浄化装置 |
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JP2006090334A (ja) * | 2005-12-21 | 2006-04-06 | Nissan Diesel Motor Co Ltd | エンジンの排ガス浄化装置 |
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-
2007
- 2007-05-31 JP JP2007145364A patent/JP5160814B2/ja not_active Expired - Fee Related
-
2008
- 2008-05-28 US US12/598,995 patent/US8096382B2/en not_active Expired - Fee Related
- 2008-05-28 CN CN2008800178384A patent/CN101680209B/zh not_active Expired - Fee Related
- 2008-05-28 WO PCT/JP2008/059779 patent/WO2008146831A1/ja active Application Filing
- 2008-05-28 KR KR1020097027256A patent/KR101464020B1/ko not_active Expired - Fee Related
- 2008-05-28 EP EP08764795.4A patent/EP2151528B1/en not_active Not-in-force
Patent Citations (2)
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JP2001152921A (ja) * | 1999-11-19 | 2001-06-05 | Komatsu Ltd | 積込作業車両 |
JP2002371831A (ja) * | 2001-06-13 | 2002-12-26 | Nissan Diesel Motor Co Ltd | 自動車の排ガス浄化装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016088894A1 (ja) * | 2014-12-05 | 2016-06-09 | 住友重機械工業株式会社 | ショベル及びショベルの制御方法 |
JPWO2016088894A1 (ja) * | 2014-12-05 | 2017-09-14 | 住友重機械工業株式会社 | ショベル及びショベルの制御方法 |
US10189471B2 (en) | 2014-12-05 | 2019-01-29 | Sumitomo Heavy Industries, Ltd. | Shovel and shovel control method |
JP2021008716A (ja) * | 2019-06-28 | 2021-01-28 | 日立建機株式会社 | 作業機械 |
JP7130607B2 (ja) | 2019-06-28 | 2022-09-05 | 日立建機株式会社 | 作業機械 |
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Publication number | Publication date |
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EP2151528A4 (en) | 2013-04-24 |
WO2008146831A1 (ja) | 2008-12-04 |
US20100139255A1 (en) | 2010-06-10 |
US8096382B2 (en) | 2012-01-17 |
JP5160814B2 (ja) | 2013-03-13 |
KR20100033493A (ko) | 2010-03-30 |
EP2151528A1 (en) | 2010-02-10 |
CN101680209B (zh) | 2013-01-02 |
CN101680209A (zh) | 2010-03-24 |
EP2151528B1 (en) | 2014-09-10 |
KR101464020B1 (ko) | 2014-11-20 |
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