CA235657A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA235657A
CA235657A CA235657A CA235657DA CA235657A CA 235657 A CA235657 A CA 235657A CA 235657 A CA235657 A CA 235657A CA 235657D A CA235657D A CA 235657DA CA 235657 A CA235657 A CA 235657A
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
CA235657A
Other languages
English (en)
Inventor
R. Quayle Fred
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 CA235657A publication Critical patent/CA235657A/fr
Expired legal-status Critical Current

Links

CA235657A Systeme telephonique Expired CA235657A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA235657T

Publications (1)

Publication Number Publication Date
CA235657A true CA235657A (fr) 1923-11-13

Family

ID=35133031

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235657A Expired CA235657A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA235657A (fr)

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