CA271972A - Support de galerie de mine - Google Patents
Support de galerie de mineInfo
- Publication number
- CA271972A CA271972A CA271972A CA271972DA CA271972A CA 271972 A CA271972 A CA 271972A CA 271972 A CA271972 A CA 271972A CA 271972D A CA271972D A CA 271972DA CA 271972 A CA271972 A CA 271972A
- Authority
- CA
- Canada
- Prior art keywords
- mine prop
- prop
- mine
- Prior art date
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA271972T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA271972A true CA271972A (fr) | 1927-06-28 |
Family
ID=35202003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA271972A Expired CA271972A (fr) | Support de galerie de mine |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA271972A (fr) |
-
0
- CA CA271972A patent/CA271972A/fr not_active Expired
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