CA417497A - Dispositif a fermer les portes - Google Patents

Dispositif a fermer les portes

Info

Publication number
CA417497A
CA417497A CA417497A CA417497DA CA417497A CA 417497 A CA417497 A CA 417497A CA 417497 A CA417497 A CA 417497A CA 417497D A CA417497D A CA 417497DA CA 417497 A CA417497 A CA 417497A
Authority
CA
Canada
Prior art keywords
closing device
door closing
door
closing
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
CA417497A
Other languages
English (en)
Inventor
Augustus Aston Harold
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 CA417497A publication Critical patent/CA417497A/fr
Expired legal-status Critical Current

Links

CA417497A Dispositif a fermer les portes Expired CA417497A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA417497T

Publications (1)

Publication Number Publication Date
CA417497A true CA417497A (fr) 1944-01-04

Family

ID=35526745

Family Applications (1)

Application Number Title Priority Date Filing Date
CA417497A Expired CA417497A (fr) Dispositif a fermer les portes

Country Status (1)

Country Link
CA (1) CA417497A (fr)

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