CA525478A - Ventilating shutter - Google Patents

Ventilating shutter

Info

Publication number
CA525478A
CA525478A CA525478A CA525478DA CA525478A CA 525478 A CA525478 A CA 525478A CA 525478 A CA525478 A CA 525478A CA 525478D A CA525478D A CA 525478DA CA 525478 A CA525478 A CA 525478A
Authority
CA
Canada
Prior art keywords
ventilating shutter
ventilating
shutter
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
CA525478A
Other languages
French (fr)
Inventor
H. Burke William
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 CA525478A publication Critical patent/CA525478A/en
Expired legal-status Critical Current

Links

CA525478A Ventilating shutter Expired CA525478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA525478T

Publications (1)

Publication Number Publication Date
CA525478A true CA525478A (en) 1956-05-29

Family

ID=35679197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA525478A Expired CA525478A (en) Ventilating shutter

Country Status (1)

Country Link
CA (1) CA525478A (en)

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