CA405582A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number: CA405582A
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

CA405582A

Other languages

English (en)

Inventor

Cock Benjamin

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 CA405582A publication Critical patent/CA405582A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA405582A Perforatrice a roc Expired CA405582A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA405582T

Publications (1)

Publication Number	Publication Date
CA405582A true CA405582A (fr)	1942-06-23

Family

ID=35416882

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA405582A Expired CA405582A (fr)			Perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA405582A (fr)

0
- CA CA405582A patent/CA405582A/fr not_active Expired

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