CA139258A - Soupape de machines a aiguiser les forets - Google Patents

Soupape de machines a aiguiser les forets

Info

Publication number
CA139258A
CA139258A CA000139258A CA139258DA CA139258A CA 139258 A CA139258 A CA 139258A CA 000139258 A CA000139258 A CA 000139258A CA 139258D A CA139258D A CA 139258DA CA 139258 A CA139258 A CA 139258A
Authority
CA
Canada
Prior art keywords
valve
drill bit
sharpening machines
bit sharpening
machines
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
CA000139258A
Other languages
English (en)
Inventor
John George Leyner
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 CA139258A publication Critical patent/CA139258A/fr
Expired legal-status Critical Current

Links

CA000139258A 1912-01-16 1912-01-16 Soupape de machines a aiguiser les forets Expired CA139258A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA139258T 1912-01-16

Publications (1)

Publication Number Publication Date
CA139258A true CA139258A (fr) 1912-03-19

Family

ID=45258974

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000139258A Expired CA139258A (fr) 1912-01-16 1912-01-16 Soupape de machines a aiguiser les forets

Country Status (1)

Country Link
CA (1) CA139258A (fr)

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