CA289112A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA289112A
CA289112A CA289112A CA289112DA CA289112A CA 289112 A CA289112 A CA 289112A CA 289112 A CA289112 A CA 289112A CA 289112D A CA289112D A CA 289112DA CA 289112 A CA289112 A CA 289112A
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
CA289112A
Other languages
English (en)
Inventor
G. Richardson Rodney
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 CA289112A publication Critical patent/CA289112A/fr
Expired legal-status Critical Current

Links

CA289112A Systeme telephonique Expired CA289112A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA289112T

Publications (1)

Publication Number Publication Date
CA289112A true CA289112A (fr) 1929-04-23

Family

ID=35225924

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289112A Expired CA289112A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA289112A (fr)

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