CA425438A - Appareil a travailler des matieres minerales - Google Patents

Appareil a travailler des matieres minerales

Info

Publication number: CA425438A
Authority: CA; Canada
Prior art keywords: mineral material; working apparatus; material working; mineral; working
Prior art date: 1945-02-06
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

CA425438A

Other languages

English (en)

Inventor

J. Burch Charles

H. Smith 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.)

Dominion Oxygen Co Ltd

Original Assignee

Dominion Oxygen Co Ltd

Publication date

1945-02-06

1945-02-06 Application granted granted Critical

1945-02-06 Publication of CA425438A publication Critical patent/CA425438A/fr

Status Expired legal-status Critical Current

Links

229910052500 inorganic mineral Inorganic materials 0.000 title 1
239000000463 material Substances 0.000 title 1
239000011707 mineral Substances 0.000 title 1

CA425438A Appareil a travailler des matieres minerales Expired CA425438A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA425438T

Publications (1)

Publication Number	Publication Date
CA425438A true CA425438A (fr)	1945-02-06

Family

ID=35536459

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA425438A Expired CA425438A (fr)			Appareil a travailler des matieres minerales

Country Status (1)

Country	Link
CA (1)	CA425438A (fr)

0
- CA CA425438A patent/CA425438A/fr not_active Expired

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