CA253443A - Systeme de ventilation - Google Patents

Systeme de ventilation

Info

Publication number: CA253443A
Authority: CA; Canada
Prior art keywords: ventilating system; ventilating
Prior art date: 1925-09-08
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

CA253443A

Other languages

English (en)

Inventor

Paul Francois

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

1925-09-08

1925-09-08 Application granted granted Critical

1925-09-08 Publication of CA253443A publication Critical patent/CA253443A/fr

Status Expired legal-status Critical Current

Links

CA253443A Systeme de ventilation Expired CA253443A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA253443T

Publications (1)

Publication Number	Publication Date
CA253443A true CA253443A (fr)	1925-09-08

Family

ID=35161993

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA253443A Expired CA253443A (fr)			Systeme de ventilation

Country Status (1)

Country	Link
CA (1)	CA253443A (fr)

0
- CA CA253443A patent/CA253443A/fr not_active Expired

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