CA405580A - Rock drill - Google Patents

Rock drill

Info

Publication number: CA405580A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1942-06-23
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

CA405580A

Other languages

French (fr)

Inventor

Arthur John

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

1942-06-23

1942-06-23 Application granted granted Critical

1942-06-23 Publication of CA405580A publication Critical patent/CA405580A/en

Status Expired legal-status Critical Current

Links

CA405580A Rock drill Expired CA405580A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA405580T

Publications (1)

Publication Number	Publication Date
CA405580A true CA405580A (en)	1942-06-23

Family

ID=35416880

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA405580A Expired CA405580A (en)			Rock drill

Country Status (1)

Country	Link
CA (1)	CA405580A (en)

0
- CA CA405580A patent/CA405580A/en not_active Expired

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