CA278582A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA278582A
CA278582A CA278582A CA278582DA CA278582A CA 278582 A CA278582 A CA 278582A CA 278582 A CA278582 A CA 278582A CA 278582D A CA278582D A CA 278582DA CA 278582 A CA278582 A CA 278582A
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
CA278582A
Other languages
English (en)
Inventor
C. Pye Harold
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 CA278582A publication Critical patent/CA278582A/fr
Expired legal-status Critical Current

Links

CA278582A Systeme telephonique Expired CA278582A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA278582T

Publications (1)

Publication Number Publication Date
CA278582A true CA278582A (fr) 1928-03-13

Family

ID=35211673

Family Applications (1)

Application Number Title Priority Date Filing Date
CA278582A Expired CA278582A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA278582A (fr)

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