CA412810A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number: CA412810A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1943-05-25
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

CA412810A

Other languages

English (en)

Inventor

Alfred Bennett Hutton Lionel

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

1943-05-25

1943-05-25 Application granted granted Critical

1943-05-25 Publication of CA412810A publication Critical patent/CA412810A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA412810A Perforatrice a roc Expired CA412810A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA412810T

Publications (1)

Publication Number	Publication Date
CA412810A true CA412810A (fr)	1943-05-25

Family

ID=35521977

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA412810A Expired CA412810A (fr)			Perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA412810A (fr)

0
- CA CA412810A patent/CA412810A/fr not_active Expired

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