CA255704A - Dispositif a fermer et a arreter les portes - Google Patents

Dispositif a fermer et a arreter les portes

Info

Publication number
CA255704A
CA255704A CA255704A CA255704DA CA255704A CA 255704 A CA255704 A CA 255704A CA 255704 A CA255704 A CA 255704A CA 255704D A CA255704D A CA 255704DA CA 255704 A CA255704 A CA 255704A
Authority
CA
Canada
Prior art keywords
door closing
checking device
checking
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
CA255704A
Other languages
English (en)
Inventor
Smith Henry
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 CA255704A publication Critical patent/CA255704A/fr
Expired legal-status Critical Current

Links

CA255704A Dispositif a fermer et a arreter les portes Expired CA255704A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA255704T

Publications (1)

Publication Number Publication Date
CA255704A true CA255704A (fr) 1925-11-24

Family

ID=35164254

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255704A Expired CA255704A (fr) Dispositif a fermer et a arreter les portes

Country Status (1)

Country Link
CA (1) CA255704A (fr)

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