CA469973A - Appareils pour l'exploitation de la houille ou mineraux analogues - Google Patents

Appareils pour l'exploitation de la houille ou mineraux analogues

Info

Publication number: CA469973A
Authority: CA; Canada
Prior art keywords: mining coal; similar mineral; mineral; similar; mining
Prior art date: 1950-12-12
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

CA469973A

Other languages

English (en)

Inventor

A. Merchant George

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

1950-12-12

1950-12-12 Application granted granted Critical

1950-12-12 Publication of CA469973A publication Critical patent/CA469973A/fr

Status Expired legal-status Critical Current

Links

239000003245 coal Substances 0.000 title 1
229910052500 inorganic mineral Inorganic materials 0.000 title 1
239000011707 mineral Substances 0.000 title 1
238000005065 mining Methods 0.000 title 1

CA469973A Appareils pour l'exploitation de la houille ou mineraux analogues Expired CA469973A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA469973T

Publications (1)

Publication Number	Publication Date
CA469973A true CA469973A (fr)	1950-12-12

Family

ID=35603913

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA469973A Expired CA469973A (fr)			Appareils pour l'exploitation de la houille ou mineraux analogues

Country Status (1)

Country	Link
CA (1)	CA469973A (fr)

0
- CA CA469973A patent/CA469973A/fr not_active Expired

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