CA583894A - Support de toit - Google Patents

Support de toit

Info

Publication number
CA583894A
CA583894A CA583894A CA583894DA CA583894A CA 583894 A CA583894 A CA 583894A CA 583894 A CA583894 A CA 583894A CA 583894D A CA583894D A CA 583894DA CA 583894 A CA583894 A CA 583894A
Authority
CA
Canada
Prior art keywords
roof support
roof
support
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
CA583894A
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 CA583894A publication Critical patent/CA583894A/fr
Expired legal-status Critical Current

Links

CA583894A Support de toit Expired CA583894A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA583894T

Publications (1)

Publication Number Publication Date
CA583894A true CA583894A (fr) 1959-09-22

Family

ID=35763326

Family Applications (1)

Application Number Title Priority Date Filing Date
CA583894A Expired CA583894A (fr) Support de toit

Country Status (1)

Country Link
CA (1) CA583894A (fr)

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