CA195718A - Dispositif a ouvrir et fermer les portes - Google Patents

Dispositif a ouvrir et fermer les portes

Info

Publication number
CA195718A
CA195718A CA195718A CA195718DA CA195718A CA 195718 A CA195718 A CA 195718A CA 195718 A CA195718 A CA 195718A CA 195718D A CA195718D A CA 195718DA CA 195718 A CA195718 A CA 195718A
Authority
CA
Canada
Prior art keywords
door opening
opening device
door
opening
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
CA195718A
Other languages
English (en)
Inventor
J. Delohi Nicholas
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 CA195718A publication Critical patent/CA195718A/fr
Expired legal-status Critical Current

Links

CA195718A Dispositif a ouvrir et fermer les portes Expired CA195718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA195718T

Publications (1)

Publication Number Publication Date
CA195718A true CA195718A (fr) 1920-01-06

Family

ID=35065026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195718A Expired CA195718A (fr) Dispositif a ouvrir et fermer les portes

Country Status (1)

Country Link
CA (1) CA195718A (fr)

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