CA359023A - Appareil a couper des lopins de houille - Google Patents

Appareil a couper des lopins de houille

Info

Publication number: CA359023A
Authority: CA; Canada
Prior art keywords: cutting apparatus; coal pillar; pillar cutting; coal; pillar
Prior art date: 1936-07-07
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

CA359023A

Other languages

English (en)

Inventor

R. Lawson John

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

1936-07-07

1936-07-07 Application granted granted Critical

1936-07-07 Publication of CA359023A publication Critical patent/CA359023A/fr

Status Expired legal-status Critical Current

Links

239000003245 coal Substances 0.000 title 1

CA359023A Appareil a couper des lopins de houille Expired CA359023A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA359023T

Publications (1)

Publication Number	Publication Date
CA359023A true CA359023A (fr)	1936-07-07

Family

ID=35358364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA359023A Expired CA359023A (fr)			Appareil a couper des lopins de houille

Country Status (1)

Country	Link
CA (1)	CA359023A (fr)

0
- CA CA359023A patent/CA359023A/fr not_active Expired

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