CA409498A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA409498A
CA409498A CA409498A CA409498DA CA409498A CA 409498 A CA409498 A CA 409498A CA 409498 A CA409498 A CA 409498A CA 409498D A CA409498D A CA 409498DA CA 409498 A CA409498 A CA 409498A
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
CA409498A
Other languages
English (en)
Inventor
Ernest Lomax Clarence
Bakker Pier
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 CA409498A publication Critical patent/CA409498A/fr
Expired legal-status Critical Current

Links

CA409498A Systeme telephonique Expired CA409498A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA409498T

Publications (1)

Publication Number Publication Date
CA409498A true CA409498A (fr) 1942-12-22

Family

ID=35420799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA409498A Expired CA409498A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA409498A (fr)

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