SU471454A1 - Трапецевидна крепь дл наклонных выработок - Google Patents
Трапецевидна крепь дл наклонных выработокInfo
- Publication number
- SU471454A1 SU471454A1 SU1950754A SU1950754A SU471454A1 SU 471454 A1 SU471454 A1 SU 471454A1 SU 1950754 A SU1950754 A SU 1950754A SU 1950754 A SU1950754 A SU 1950754A SU 471454 A1 SU471454 A1 SU 471454A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- trapezoidal support
- inclined workings
- workings
- trapezoidal
- support
- Prior art date
Links
Landscapes
- Optical Head (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Looms (AREA)
Description
(54) ТРАПЕЦИЕВИДНАЯ КРЕПЬ ДЛЯ НАКЛОННЫХ ВЫРАБОТОК
иг.2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1950754A SU471454A1 (ru) | 1973-07-17 | 1973-07-17 | Трапецевидна крепь дл наклонных выработок |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1950754A SU471454A1 (ru) | 1973-07-17 | 1973-07-17 | Трапецевидна крепь дл наклонных выработок |
Publications (1)
Publication Number | Publication Date |
---|---|
SU471454A1 true SU471454A1 (ru) | 1975-05-25 |
Family
ID=20562012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1950754A SU471454A1 (ru) | 1973-07-17 | 1973-07-17 | Трапецевидна крепь дл наклонных выработок |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU471454A1 (ru) |
-
1973
- 1973-07-17 SU SU1950754A patent/SU471454A1/ru active
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