CA307835A - Avance de barre a percer - Google Patents

Avance de barre a percer

Info

Publication number
CA307835A
CA307835A CA307835A CA307835DA CA307835A CA 307835 A CA307835 A CA 307835A CA 307835 A CA307835 A CA 307835A CA 307835D A CA307835D A CA 307835DA CA 307835 A CA307835 A CA 307835A
Authority
CA
Canada
Prior art keywords
feed
boring bars
boring
bars
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
CA307835A
Other languages
English (en)
Inventor
R. Robison Isaac
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
Publication date
Application granted granted Critical
Publication of CA307835A publication Critical patent/CA307835A/fr
Expired legal-status Critical Current

Links

CA307835A Avance de barre a percer Expired CA307835A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA307835T

Publications (1)

Publication Number Publication Date
CA307835A true CA307835A (fr) 1931-01-20

Family

ID=35260987

Family Applications (1)

Application Number Title Priority Date Filing Date
CA307835A Expired CA307835A (fr) Avance de barre a percer

Country Status (1)

Country Link
CA (1) CA307835A (fr)

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