CA499683A - Mine roof supports - Google Patents
Mine roof supportsInfo
- Publication number
- CA499683A CA499683A CA499683A CA499683DA CA499683A CA 499683 A CA499683 A CA 499683A CA 499683 A CA499683 A CA 499683A CA 499683D A CA499683D A CA 499683DA CA 499683 A CA499683 A CA 499683A
- Authority
- CA
- Canada
- Prior art keywords
- mine roof
- roof supports
- supports
- mine
- roof
- 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 |
---|---|---|---|
CA499683T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA499683A true CA499683A (en) | 1954-02-02 |
Family
ID=35645130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA499683A Expired CA499683A (en) | Mine roof supports |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA499683A (en) |
-
0
- CA CA499683A patent/CA499683A/en not_active Expired
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