CA211488A - Mecanisme de perforatrice de mines - Google Patents

Mecanisme de perforatrice de mines

Info

Publication number: CA211488A
Authority: CA; Canada
Prior art keywords: feeding mechanism; mining machines; mining; machines; feeding
Prior art date: 1921-05-17
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

CA211488A

Other languages

English (en)

Inventor

Boone Abney Daniel

F. Hess Louis

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

1921-05-17

1921-05-17 Application granted granted Critical

1921-05-17 Publication of CA211488A publication Critical patent/CA211488A/fr

Status Expired legal-status Critical Current

Links

238000005065 mining Methods 0.000 title 1

CA211488A Mecanisme de perforatrice de mines Expired CA211488A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA211488T

Publications (1)

Publication Number	Publication Date
CA211488A true CA211488A (fr)	1921-05-17

Family

ID=35105267

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA211488A Expired CA211488A (fr)			Mecanisme de perforatrice de mines

Country Status (1)

Country	Link
CA (1)	CA211488A (fr)

0
- CA CA211488A patent/CA211488A/fr not_active Expired

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