CA45174A - Machine a creuser et diviser le charbon - Google Patents

Machine a creuser et diviser le charbon

Info

Publication number: CA45174A
Authority: CA; Canada
Prior art keywords: coal; cutting machine; mining; coal mining; coal cutting
Prior art date: 1894-01-25
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

CA000045174A

Other languages

English (en)

Inventor

Eugene Zimmerman

James T. Johnson

Isaac Wantling

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

1894-01-25

1894-01-25 Application granted granted Critical

1894-01-25 Publication of CA45174A publication Critical patent/CA45174A/fr

Status Expired legal-status Critical Current

Links

CA000045174A Machine a creuser et diviser le charbon Expired CA45174A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA45174T

Publications (1)

Publication Number	Publication Date
CA45174A true CA45174A (fr)	1894-01-25

Family

ID=45161714

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000045174A Expired CA45174A (fr)			Machine a creuser et diviser le charbon

Country Status (1)

Country	Link
CA (1)	CA45174A (fr)

0
- CA CA000045174A patent/CA45174A/fr not_active Expired

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