PL247982A1 - Closed steel arching for galleries - Google Patents
Closed steel arching for galleriesInfo
- Publication number
- PL247982A1 PL247982A1 PL24798284A PL24798284A PL247982A1 PL 247982 A1 PL247982 A1 PL 247982A1 PL 24798284 A PL24798284 A PL 24798284A PL 24798284 A PL24798284 A PL 24798284A PL 247982 A1 PL247982 A1 PL 247982A1
- Authority
- PL
- Poland
- Prior art keywords
- galleries
- closed steel
- arching
- steel arching
- closed
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24798284A PL247982A1 (en) | 1984-05-30 | 1984-05-30 | Closed steel arching for galleries |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL24798284A PL247982A1 (en) | 1984-05-30 | 1984-05-30 | Closed steel arching for galleries |
Publications (1)
Publication Number | Publication Date |
---|---|
PL247982A1 true PL247982A1 (en) | 1985-12-03 |
Family
ID=20022038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL24798284A PL247982A1 (en) | 1984-05-30 | 1984-05-30 | Closed steel arching for galleries |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL247982A1 (en) |
-
1984
- 1984-05-30 PL PL24798284A patent/PL247982A1/en unknown
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