CA583895A - Supports de toit - Google Patents

Supports de toit

Info

Publication number
CA583895A
CA583895A CA583895A CA583895DA CA583895A CA 583895 A CA583895 A CA 583895A CA 583895 A CA583895 A CA 583895A CA 583895D A CA583895D A CA 583895DA CA 583895 A CA583895 A CA 583895A
Authority
CA
Canada
Prior art keywords
roof supports
roof
supports
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
Application number
CA583895A
Other languages
English (en)
Inventor
W. Duncan Angus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mining Engineering Co Ltd MECO
Original Assignee
Mining Engineering Co Ltd MECO
Publication date
Application granted granted Critical
Publication of CA583895A publication Critical patent/CA583895A/fr
Expired legal-status Critical Current

Links

CA583895A Supports de toit Expired CA583895A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA583895T

Publications (1)

Publication Number Publication Date
CA583895A true CA583895A (fr) 1959-09-22

Family

ID=35763327

Family Applications (1)

Application Number Title Priority Date Filing Date
CA583895A Expired CA583895A (fr) Supports de toit

Country Status (1)

Country Link
CA (1) CA583895A (fr)

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