CA417898A - Appareil a percer - Google Patents

Appareil a percer

Info

Publication number: CA417898A
Authority: CA; Canada
Prior art keywords: drilling apparatus; drilling
Prior art date: 1944-01-18
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

CA417898A

Other languages

English (en)

Inventor

J. Bowan Walter

H. Mueller Frank

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

1944-01-18

1944-01-18 Application granted granted Critical

1944-01-18 Publication of CA417898A publication Critical patent/CA417898A/fr

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1

CA417898A Appareil a percer Expired CA417898A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA417898T

Publications (1)

Publication Number	Publication Date
CA417898A true CA417898A (fr)	1944-01-18

Family

ID=35527153

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA417898A Expired CA417898A (fr)			Appareil a percer

Country Status (1)

Country	Link
CA (1)	CA417898A (fr)

0
- CA CA417898A patent/CA417898A/fr not_active Expired

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