CA609393A - Ventilating shutter - Google Patents

Ventilating shutter

Info

Publication number
CA609393A
CA609393A CA609393A CA609393DA CA609393A CA 609393 A CA609393 A CA 609393A CA 609393 A CA609393 A CA 609393A CA 609393D A CA609393D A CA 609393DA CA 609393 A CA609393 A CA 609393A
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
CA609393A
Inventor
E. Gorth Ernst
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 CA609393A publication Critical patent/CA609393A/en
Expired legal-status Critical Current

Links

CA609393A Ventilating shutter Expired CA609393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA609393T

Publications (1)

Publication Number Publication Date
CA609393A true CA609393A (en) 1960-11-29

Family

ID=35830887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA609393A Expired CA609393A (en) Ventilating shutter

Country Status (1)

Country Link
CA (1) CA609393A (en)

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