CA830654A - Car call signalling system - Google Patents

Car call signalling system

Info

Publication number
CA830654A
CA830654A CA830654A CA830654DA CA830654A CA 830654 A CA830654 A CA 830654A CA 830654 A CA830654 A CA 830654A CA 830654D A CA830654D A CA 830654DA CA 830654 A CA830654 A CA 830654A
Authority
CA
Canada
Prior art keywords
car call
signalling system
call signalling
car
signalling
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
CA830654A
Inventor
E. Laas Ilmar
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.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
Publication date
Application granted granted Critical
Publication of CA830654A publication Critical patent/CA830654A/en
Expired legal-status Critical Current

Links

CA830654A Car call signalling system Expired CA830654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA830654T

Publications (1)

Publication Number Publication Date
CA830654A true CA830654A (en) 1969-12-23

Family

ID=36308116

Family Applications (1)

Application Number Title Priority Date Filing Date
CA830654A Expired CA830654A (en) Car call signalling system

Country Status (1)

Country Link
CA (1) CA830654A (en)

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