CA231636A - Drilling machine - Google Patents

Drilling machine

Info

Publication number
CA231636A
CA231636A CA231636A CA231636DA CA231636A CA 231636 A CA231636 A CA 231636A CA 231636 A CA231636 A CA 231636A CA 231636D A CA231636D A CA 231636DA CA 231636 A CA231636 A CA 231636A
Authority
CA
Canada
Prior art keywords
drilling machine
drilling
machine
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
CA231636A
Other languages
French (fr)
Inventor
T. Sears Willard
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.)
JOHN BERTRAM AND SONS Co
Original Assignee
JOHN BERTRAM AND SONS Co
Publication date
Application granted granted Critical
Publication of CA231636A publication Critical patent/CA231636A/en
Expired legal-status Critical Current

Links

CA231636A Drilling machine Expired CA231636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA231636T

Publications (1)

Publication Number Publication Date
CA231636A true CA231636A (en) 1923-06-05

Family

ID=35129008

Family Applications (1)

Application Number Title Priority Date Filing Date
CA231636A Expired CA231636A (en) Drilling machine

Country Status (1)

Country Link
CA (1) CA231636A (en)

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