CA644375A - Combined drilling and timber setting machine - Google Patents

Combined drilling and timber setting machine

Info

Publication number
CA644375A
CA644375A CA644375A CA644375DA CA644375A CA 644375 A CA644375 A CA 644375A CA 644375 A CA644375 A CA 644375A CA 644375D A CA644375D A CA 644375DA CA 644375 A CA644375 A CA 644375A
Authority
CA
Canada
Prior art keywords
setting machine
combined drilling
timber setting
timber
drilling
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
CA644375A
Inventor
L. Lee Arthur
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.)
Consolidation Coal Co
Original Assignee
Consolidation Coal Co
Publication date
Application granted granted Critical
Publication of CA644375A publication Critical patent/CA644375A/en
Expired legal-status Critical Current

Links

CA644375A Combined drilling and timber setting machine Expired CA644375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA644375T

Publications (1)

Publication Number Publication Date
CA644375A true CA644375A (en) 1962-07-10

Family

ID=35933032

Family Applications (1)

Application Number Title Priority Date Filing Date
CA644375A Expired CA644375A (en) Combined drilling and timber setting machine

Country Status (1)

Country Link
CA (1) CA644375A (en)

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