CA402865A - Dispositif a forer le mort-terrain - Google Patents

Dispositif a forer le mort-terrain

Info

Publication number: CA402865A
Authority: CA; Canada
Prior art keywords: drilling device; overburden drilling; overburden; drilling
Prior art date: 1942-02-17
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

CA402865A

Other languages

English (en)

Inventor

Morissette Napoleon

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

1942-02-17

1942-02-17 Application granted granted Critical

1942-02-17 Publication of CA402865A publication Critical patent/CA402865A/fr

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1

CA402865A Dispositif a forer le mort-terrain Expired CA402865A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA402865T

Publications (1)

Publication Number	Publication Date
CA402865A true CA402865A (fr)	1942-02-17

Family

ID=35413312

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA402865A Expired CA402865A (fr)			Dispositif a forer le mort-terrain

Country Status (1)

Country	Link
CA (1)	CA402865A (fr)

0
- CA CA402865A patent/CA402865A/fr not_active Expired

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