CA199051A - Mecanisme a tarauder de perceuse - Google Patents

Mecanisme a tarauder de perceuse

Info

Publication number
CA199051A
CA199051A CA199051A CA199051DA CA199051A CA 199051 A CA199051 A CA 199051A CA 199051 A CA199051 A CA 199051A CA 199051D A CA199051D A CA 199051DA CA 199051 A CA199051 A CA 199051A
Authority
CA
Canada
Prior art keywords
drilling machines
tapping mechanism
tapping
drilling
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
CA199051A
Other languages
English (en)
Inventor
S. 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 CA199051A publication Critical patent/CA199051A/fr
Expired legal-status Critical Current

Links

CA199051A Mecanisme a tarauder de perceuse Expired CA199051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199051T

Publications (1)

Publication Number Publication Date
CA199051A true CA199051A (fr) 1920-04-06

Family

ID=35073488

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199051A Expired CA199051A (fr) Mecanisme a tarauder de perceuse

Country Status (1)

Country Link
CA (1) CA199051A (fr)

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