JPS5346166B2 - - Google Patents
Info
- Publication number
- JPS5346166B2 JPS5346166B2 JP4844875A JP4844875A JPS5346166B2 JP S5346166 B2 JPS5346166 B2 JP S5346166B2 JP 4844875 A JP4844875 A JP 4844875A JP 4844875 A JP4844875 A JP 4844875A JP S5346166 B2 JPS5346166 B2 JP S5346166B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50048448A JPS51122602A (en) | 1975-04-21 | 1975-04-21 | Device for restricting dusts at long wall coal mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50048448A JPS51122602A (en) | 1975-04-21 | 1975-04-21 | Device for restricting dusts at long wall coal mining face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51122602A JPS51122602A (en) | 1976-10-26 |
| JPS5346166B2 true JPS5346166B2 (en) | 1978-12-12 |
Family
ID=12803617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50048448A Granted JPS51122602A (en) | 1975-04-21 | 1975-04-21 | Device for restricting dusts at long wall coal mining face |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51122602A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528654A (en) * | 1978-08-22 | 1980-02-29 | Fujitsu Ltd | Am demodulation circuit |
| JPS5533376A (en) * | 1978-08-30 | 1980-03-08 | Fujitsu Ltd | Frequency discriminator circuit |
| JPS6333471U (en) * | 1987-07-23 | 1988-03-03 | ||
| CN104100264A (en) * | 2014-07-31 | 2014-10-15 | 哈尔滨通用液压机械制造有限公司 | Drum shearer with protecting function for long-wall mining |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677545B (en) * | 2020-05-28 | 2021-06-25 | 安徽理工大学 | A gas-liquid spray dust suppression system for fully mechanized mining face |
-
1975
- 1975-04-21 JP JP50048448A patent/JPS51122602A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528654A (en) * | 1978-08-22 | 1980-02-29 | Fujitsu Ltd | Am demodulation circuit |
| JPS5533376A (en) * | 1978-08-30 | 1980-03-08 | Fujitsu Ltd | Frequency discriminator circuit |
| JPS6333471U (en) * | 1987-07-23 | 1988-03-03 | ||
| CN104100264A (en) * | 2014-07-31 | 2014-10-15 | 哈尔滨通用液压机械制造有限公司 | Drum shearer with protecting function for long-wall mining |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51122602A (en) | 1976-10-26 |