CA406420A - Foret helicoidal - Google Patents

Foret helicoidal

Info

Publication number: CA406420A
Authority: CA; Canada
Prior art keywords: twist drill; twist; drill
Prior art date: 1942-07-28
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

CA406420A

Other languages

English (en)

Inventor

F. Bannister Walter

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.)

HERBERT G HARD

Original Assignee

HERBERT G HARD

Publication date

1942-07-28

1942-07-28 Application granted granted Critical

1942-07-28 Publication of CA406420A publication Critical patent/CA406420A/fr

Status Expired legal-status Critical Current

Links

CA406420A Foret helicoidal Expired CA406420A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA406420T

Publications (1)

Publication Number	Publication Date
CA406420A true CA406420A (fr)	1942-07-28

Family

ID=35417720

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA406420A Expired CA406420A (fr)			Foret helicoidal

Country Status (1)

Country	Link
CA (1)	CA406420A (fr)

0
- CA CA406420A patent/CA406420A/fr not_active Expired

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