CA477528A - Dispositifs de levage pour portes glissantes - Google Patents

Dispositifs de levage pour portes glissantes

Info

Publication number
CA477528A
CA477528A CA477528A CA477528DA CA477528A CA 477528 A CA477528 A CA 477528A CA 477528 A CA477528 A CA 477528A CA 477528D A CA477528D A CA 477528DA CA 477528 A CA477528 A CA 477528A
Authority
CA
Canada
Prior art keywords
sliding doors
lifting devices
lifting
doors
sliding
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
CA477528A
Other languages
English (en)
Inventor
Ditchfield Frank
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.)
Youngstown Steel Door Co
Original Assignee
Youngstown Steel Door Co
Publication date
Application granted granted Critical
Publication of CA477528A publication Critical patent/CA477528A/fr
Expired legal-status Critical Current

Links

CA477528A Dispositifs de levage pour portes glissantes Expired CA477528A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477528T

Publications (1)

Publication Number Publication Date
CA477528A true CA477528A (fr) 1951-10-02

Family

ID=35617175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477528A Expired CA477528A (fr) Dispositifs de levage pour portes glissantes

Country Status (1)

Country Link
CA (1) CA477528A (fr)

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