CA339699A - Groupe telephonique de sous-station - Google Patents

Groupe telephonique de sous-station

Info

Publication number
CA339699A
CA339699A CA339699A CA339699DA CA339699A CA 339699 A CA339699 A CA 339699A CA 339699 A CA339699 A CA 339699A CA 339699D A CA339699D A CA 339699DA CA 339699 A CA339699 A CA 339699A
Authority
CA
Canada
Prior art keywords
sub
telephone set
station telephone
station
telephone
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
CA339699A
Other languages
English (en)
Inventor
F. Obergfell Herbert
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA339699A publication Critical patent/CA339699A/fr
Expired legal-status Critical Current

Links

CA339699A Groupe telephonique de sous-station Expired CA339699A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA339699T

Publications (1)

Publication Number Publication Date
CA339699A true CA339699A (fr) 1934-02-27

Family

ID=35302841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA339699A Expired CA339699A (fr) Groupe telephonique de sous-station

Country Status (1)

Country Link
CA (1) CA339699A (fr)

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