CA243504A - Circuit de poste secondaire telephonique - Google Patents

Circuit de poste secondaire telephonique

Info

Publication number
CA243504A
CA243504A CA243504A CA243504DA CA243504A CA 243504 A CA243504 A CA 243504A CA 243504 A CA243504 A CA 243504A CA 243504D A CA243504D A CA 243504DA CA 243504 A CA243504 A CA 243504A
Authority
CA
Canada
Prior art keywords
sub
telephone circuit
station telephone
station
circuit
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
CA243504A
Other languages
English (en)
Inventor
Bessey Smith Arthur
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 CA243504A publication Critical patent/CA243504A/fr
Expired legal-status Critical Current

Links

CA243504A Circuit de poste secondaire telephonique Expired CA243504A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243504T

Publications (1)

Publication Number Publication Date
CA243504A true CA243504A (fr) 1924-10-07

Family

ID=35147531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243504A Expired CA243504A (fr) Circuit de poste secondaire telephonique

Country Status (1)

Country Link
CA (1) CA243504A (fr)

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