CA381062A - Mecanisme a perforer le roc - Google Patents

Mecanisme a perforer le roc

Info

Publication number: CA381062A
Authority: CA; Canada
Prior art keywords: rock drilling; drilling mechanism; rock; drilling
Prior art date: 1939-05-02
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

CA381062A

Other languages

English (en)

Inventor

Mark Augustus Palmer, Jr.

Augustus Palmer Mark

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

1939-05-02

1939-05-02 Application granted granted Critical

1939-05-02 Publication of CA381062A publication Critical patent/CA381062A/fr

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1
239000011435 rock Substances 0.000 title 1

CA381062A Mecanisme a perforer le roc Expired CA381062A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA381062T

Publications (1)

Publication Number	Publication Date
CA381062A true CA381062A (fr)	1939-05-02

Family

ID=35386304

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA381062A Expired CA381062A (fr)			Mecanisme a perforer le roc

Country Status (1)

Country	Link
CA (1)	CA381062A (fr)

0
- CA CA381062A patent/CA381062A/fr not_active Expired

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