PL263494A1 - Mining roof-bar - Google Patents
Mining roof-barInfo
- Publication number
- PL263494A1 PL263494A1 PL26349486A PL26349486A PL263494A1 PL 263494 A1 PL263494 A1 PL 263494A1 PL 26349486 A PL26349486 A PL 26349486A PL 26349486 A PL26349486 A PL 26349486A PL 263494 A1 PL263494 A1 PL 263494A1
- Authority
- PL
- Poland
- Prior art keywords
- bar
- mining roof
- mining
- roof
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL26349486A PL152737B1 (en) | 1986-12-31 | 1986-12-31 | Mining roof-bar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL26349486A PL152737B1 (en) | 1986-12-31 | 1986-12-31 | Mining roof-bar |
Publications (2)
Publication Number | Publication Date |
---|---|
PL263494A1 true PL263494A1 (en) | 1988-08-04 |
PL152737B1 PL152737B1 (en) | 1991-01-31 |
Family
ID=20034470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL26349486A PL152737B1 (en) | 1986-12-31 | 1986-12-31 | Mining roof-bar |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL152737B1 (en) |
-
1986
- 1986-12-31 PL PL26349486A patent/PL152737B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL152737B1 (en) | 1991-01-31 |
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