CA322319A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA322319A
CA322319A CA322319A CA322319DA CA322319A CA 322319 A CA322319 A CA 322319A CA 322319 A CA322319 A CA 322319A CA 322319D A CA322319D A CA 322319DA CA 322319 A CA322319 A CA 322319A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA322319A
Other languages
English (en)
Inventor
Ernest Lomax Clarence
Herbert Saunders Norman
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 CA322319A publication Critical patent/CA322319A/fr
Expired legal-status Critical Current

Links

CA322319A Systeme telephonique Expired CA322319A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA322319T

Publications (1)

Publication Number Publication Date
CA322319A true CA322319A (fr) 1932-05-10

Family

ID=35282872

Family Applications (1)

Application Number Title Priority Date Filing Date
CA322319A Expired CA322319A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA322319A (fr)

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