CA819421A - Rock bolt - Google Patents

Rock bolt

Info

Publication number
CA819421A
CA819421A CA819421A CA819421DA CA819421A CA 819421 A CA819421 A CA 819421A CA 819421 A CA819421 A CA 819421A CA 819421D A CA819421D A CA 819421DA CA 819421 A CA819421 A CA 819421A
Authority
CA
Canada
Prior art keywords
rock bolt
rock
bolt
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
CA819421A
Inventor
H. Howlett George
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.)
HOWLETT MACHINE WORKS
Original Assignee
HOWLETT MACHINE WORKS
Publication date
Application granted granted Critical
Publication of CA819421A publication Critical patent/CA819421A/en
Expired legal-status Critical Current

Links

CA819421A Rock bolt Expired CA819421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA819421T

Publications (1)

Publication Number Publication Date
CA819421A true CA819421A (en) 1969-08-05

Family

ID=36291988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA819421A Expired CA819421A (en) Rock bolt

Country Status (1)

Country Link
CA (1) CA819421A (en)

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