CA441231A - Dispositif de manoeuvre pour porte - Google Patents

Dispositif de manoeuvre pour porte

Info

Publication number
CA441231A
CA441231A CA441231A CA441231DA CA441231A CA 441231 A CA441231 A CA 441231A CA 441231 A CA441231 A CA 441231A CA 441231D A CA441231D A CA 441231DA CA 441231 A CA441231 A CA 441231A
Authority
CA
Canada
Prior art keywords
door operator
door
operator
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
CA441231A
Other languages
English (en)
Inventor
R. Newkirk John
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 CA441231A publication Critical patent/CA441231A/fr
Expired legal-status Critical Current

Links

CA441231A Dispositif de manoeuvre pour porte Expired CA441231A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA441231T

Publications (1)

Publication Number Publication Date
CA441231A true CA441231A (fr) 1947-05-06

Family

ID=35556463

Family Applications (1)

Application Number Title Priority Date Filing Date
CA441231A Expired CA441231A (fr) Dispositif de manoeuvre pour porte

Country Status (1)

Country Link
CA (1) CA441231A (fr)

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