CA37971A - Machine pour mines et tunnels - Google Patents

Machine pour mines et tunnels

Info

Publication number: CA37971A
Authority: CA; Canada
Prior art keywords: tunneling; mining machine; mining; machine
Prior art date: 1891-12-16
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

CA000037971A

Other languages

English (en)

Inventor

Reginald Stanley

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

1891-12-16

1891-12-16 Application granted granted Critical

1891-12-16 Publication of CA37971A publication Critical patent/CA37971A/fr

Status Expired legal-status Critical Current

Links

238000005065 mining Methods 0.000 title 1
230000005641 tunneling Effects 0.000 title 1

CA000037971A Machine pour mines et tunnels Expired CA37971A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA37971T

Publications (1)

Publication Number	Publication Date
CA37971A true CA37971A (fr)	1891-12-16

Family

ID=45154511

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000037971A Expired CA37971A (fr)			Machine pour mines et tunnels

Country Status (1)

Country	Link
CA (1)	CA37971A (fr)

0
- CA CA000037971A patent/CA37971A/fr not_active Expired

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