CA217474A - Faconnage de meches helicoidales - Google Patents

Faconnage de meches helicoidales

Info

Publication number
CA217474A
CA217474A CA217474A CA217474DA CA217474A CA 217474 A CA217474 A CA 217474A CA 217474 A CA217474 A CA 217474A CA 217474D A CA217474D A CA 217474DA CA 217474 A CA217474 A CA 217474A
Authority
CA
Canada
Prior art keywords
auger drills
making auger
making
drills
auger
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
CA217474A
Other languages
English (en)
Inventor
Stephens William
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 CA217474A publication Critical patent/CA217474A/fr
Expired legal-status Critical Current

Links

CA217474A Faconnage de meches helicoidales Expired CA217474A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA217474T

Publications (1)

Publication Number Publication Date
CA217474A true CA217474A (fr) 1922-04-04

Family

ID=35111918

Family Applications (1)

Application Number Title Priority Date Filing Date
CA217474A Expired CA217474A (fr) Faconnage de meches helicoidales

Country Status (1)

Country Link
CA (1) CA217474A (fr)

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