CA204532A - Mecanisme de contrevent - Google Patents

Mecanisme de contrevent

Info

Publication number
CA204532A
CA204532A CA204532A CA204532DA CA204532A CA 204532 A CA204532 A CA 204532A CA 204532 A CA204532 A CA 204532A CA 204532D A CA204532D A CA 204532DA CA 204532 A CA204532 A CA 204532A
Authority
CA
Canada
Prior art keywords
shutter worker
shutter
worker
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
CA204532A
Other languages
English (en)
Inventor
Richardson Robert
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 CA204532A publication Critical patent/CA204532A/fr
Expired legal-status Critical Current

Links

CA204532A Mecanisme de contrevent Expired CA204532A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA204532T

Publications (1)

Publication Number Publication Date
CA204532A true CA204532A (fr) 1920-10-05

Family

ID=35078968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA204532A Expired CA204532A (fr) Mecanisme de contrevent

Country Status (1)

Country Link
CA (1) CA204532A (fr)

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