CA156236A - Mecanisme de foret - Google Patents

Mecanisme de foret

Info

Publication number
CA156236A
CA156236A CA000156236A CA156236DA CA156236A CA 156236 A CA156236 A CA 156236A CA 000156236 A CA000156236 A CA 000156236A CA 156236D A CA156236D A CA 156236DA CA 156236 A CA156236 A CA 156236A
Authority
CA
Canada
Prior art keywords
drill mechanism
drill
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
CA000156236A
Other languages
English (en)
Inventor
John Oliver Foster
Frank H. Howard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA156236A publication Critical patent/CA156236A/fr
Expired legal-status Critical Current

Links

CA000156236A 1914-02-23 1914-02-23 Mecanisme de foret Expired CA156236A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA156236T 1914-02-23

Publications (1)

Publication Number Publication Date
CA156236A true CA156236A (fr) 1914-06-16

Family

ID=45275943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000156236A Expired CA156236A (fr) 1914-02-23 1914-02-23 Mecanisme de foret

Country Status (1)

Country Link
CA (1) CA156236A (fr)

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