CA193856A - Machine a forer - Google Patents

Machine a forer

Info

Publication number
CA193856A
CA193856A CA000193856A CA193856DA CA193856A CA 193856 A CA193856 A CA 193856A CA 000193856 A CA000193856 A CA 000193856A CA 193856D A CA193856D A CA 193856DA CA 193856 A CA193856 A CA 193856A
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
CA000193856A
Other languages
English (en)
Inventor
Willard T. Sears
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 COMPANY Ltd
Original Assignee
JOHN BERTRAM AND SONS COMPANY Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JOHN BERTRAM AND SONS COMPANY Ltd filed Critical JOHN BERTRAM AND SONS COMPANY Ltd
Application granted granted Critical
Publication of CA193856A publication Critical patent/CA193856A/fr
Expired legal-status Critical Current

Links

CA000193856A 1917-12-29 1917-12-29 Machine a forer Expired CA193856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA193856T 1917-12-29

Publications (1)

Publication Number Publication Date
CA193856A true CA193856A (fr) 1919-11-11

Family

ID=45313507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000193856A Expired CA193856A (fr) 1917-12-29 1917-12-29 Machine a forer

Country Status (1)

Country Link
CA (1) CA193856A (fr)

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