CA306589A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA306589A
CA306589A CA306589A CA306589DA CA306589A CA 306589 A CA306589 A CA 306589A CA 306589 A CA306589 A CA 306589A CA 306589D A CA306589D A CA 306589DA CA 306589 A CA306589 A CA 306589A
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
CA306589A
Other languages
English (en)
Inventor
H. Voss John
D. Willis Bernard
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 CA306589A publication Critical patent/CA306589A/fr
Expired legal-status Critical Current

Links

CA306589A Systeme telephonique Expired CA306589A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306589T

Publications (1)

Publication Number Publication Date
CA306589A true CA306589A (fr) 1930-12-09

Family

ID=35259740

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306589A Expired CA306589A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA306589A (fr)

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