CA437041A - Ventilating and pressure maintaining device - Google Patents

Ventilating and pressure maintaining device

Info

Publication number
CA437041A
CA437041A CA437041A CA437041DA CA437041A CA 437041 A CA437041 A CA 437041A CA 437041 A CA437041 A CA 437041A CA 437041D A CA437041D A CA 437041DA CA 437041 A CA437041 A CA 437041A
Authority
CA
Canada
Prior art keywords
ventilating
pressure maintaining
maintaining device
pressure
maintaining
Prior art date
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
CA437041A
Other languages
French (fr)
Inventor
Jules Odilon Marcel
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.)
R MALCOLM Ltd
Original Assignee
R MALCOLM Ltd
Publication date
Application granted granted Critical
Publication of CA437041A publication Critical patent/CA437041A/en
Expired legal-status Critical Current

Links

CA437041A Ventilating and pressure maintaining device Expired CA437041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437041T

Publications (1)

Publication Number Publication Date
CA437041A true CA437041A (en) 1946-09-17

Family

ID=35552276

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437041A Expired CA437041A (en) Ventilating and pressure maintaining device

Country Status (1)

Country Link
CA (1) CA437041A (en)

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