CA769953A - Mechanical vent - Google Patents

Mechanical vent

Info

Publication number
CA769953A
CA769953A CA769953A CA769953DA CA769953A CA 769953 A CA769953 A CA 769953A CA 769953 A CA769953 A CA 769953A CA 769953D A CA769953D A CA 769953DA CA 769953 A CA769953 A CA 769953A
Authority
CA
Canada
Prior art keywords
mechanical vent
vent
mechanical
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
CA769953A
Inventor
H. Defrees Joseph
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
Application granted granted Critical
Publication of CA769953A publication Critical patent/CA769953A/en
Expired legal-status Critical Current

Links

CA769953A Mechanical vent Expired CA769953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA769953T

Publications (1)

Publication Number Publication Date
CA769953A true CA769953A (en) 1967-10-24

Family

ID=36213361

Family Applications (1)

Application Number Title Priority Date Filing Date
CA769953A Expired CA769953A (en) Mechanical vent

Country Status (1)

Country Link
CA (1) CA769953A (en)

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