CA424379A - Appareil d'actionnement de portes - Google Patents

Appareil d'actionnement de portes

Info

Publication number
CA424379A
CA424379A CA424379A CA424379DA CA424379A CA 424379 A CA424379 A CA 424379A CA 424379 A CA424379 A CA 424379A CA 424379D A CA424379D A CA 424379DA CA 424379 A CA424379 A CA 424379A
Authority
CA
Canada
Prior art keywords
operating apparatus
door operating
door
operating
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
CA424379A
Other languages
English (en)
Inventor
G. Parvin Edward
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.)
National Pneumatic Co Inc
Original Assignee
National Pneumatic Co Inc
Publication date
Application granted granted Critical
Publication of CA424379A publication Critical patent/CA424379A/fr
Expired legal-status Critical Current

Links

CA424379A Appareil d'actionnement de portes Expired CA424379A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424379T

Publications (1)

Publication Number Publication Date
CA424379A true CA424379A (fr) 1944-12-12

Family

ID=35535394

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424379A Expired CA424379A (fr) Appareil d'actionnement de portes

Country Status (1)

Country Link
CA (1) CA424379A (fr)

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