CA899847A - Raise drilling machine - Google Patents

Raise drilling machine

Info

Publication number
CA899847A
CA899847A CA899847A CA899847DA CA899847A CA 899847 A CA899847 A CA 899847A CA 899847 A CA899847 A CA 899847A CA 899847D A CA899847D A CA 899847DA CA 899847 A CA899847 A CA 899847A
Authority
CA
Canada
Prior art keywords
drilling machine
raise drilling
raise
machine
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
CA899847A
Inventor
K. Presley Charles
A. Glass William
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.)
Shaft Drillers Inc
Original Assignee
Shaft Drillers Inc
Publication date
Application granted granted Critical
Publication of CA899847A publication Critical patent/CA899847A/en
Expired legal-status Critical Current

Links

CA899847A Raise drilling machine Expired CA899847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA899847T

Publications (1)

Publication Number Publication Date
CA899847A true CA899847A (en) 1972-05-09

Family

ID=36405687

Family Applications (1)

Application Number Title Priority Date Filing Date
CA899847A Expired CA899847A (en) Raise drilling machine

Country Status (1)

Country Link
CA (1) CA899847A (en)

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