CA372261A - Appareil de ventilation de mine - Google Patents

Appareil de ventilation de mine

Info

Publication number: CA372261A
Authority: CA; Canada
Prior art keywords: mines; ventilation apparatus; ventilation
Prior art date: 1938-03-01
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

CA372261A

Other languages

English (en)

Inventor

S. Richardson Allan

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

1938-03-01

1938-03-01 Application granted granted Critical

1938-03-01 Publication of CA372261A publication Critical patent/CA372261A/fr

Status Expired legal-status Critical Current

Links

238000009423 ventilation Methods 0.000 title 1

CA372261A Appareil de ventilation de mine Expired CA372261A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA372261T

Publications (1)

Publication Number	Publication Date
CA372261A true CA372261A (fr)	1938-03-01

Family

ID=35373326

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA372261A Expired CA372261A (fr)			Appareil de ventilation de mine

Country Status (1)

Country	Link
CA (1)	CA372261A (fr)

0
- CA CA372261A patent/CA372261A/fr not_active Expired

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