CA209118A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA209118A
CA209118A CA209118A CA209118DA CA209118A CA 209118 A CA209118 A CA 209118A CA 209118 A CA209118 A CA 209118A CA 209118D A CA209118D A CA 209118DA CA 209118 A CA209118 A CA 209118A
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
CA209118A
Other languages
English (en)
Inventor
Jacobsen Emil
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
Automatic Electric Co
Original Assignee
Northern Electric Co Ltd
Automatic Electric Co
Publication date
Application granted granted Critical
Publication of CA209118A publication Critical patent/CA209118A/fr
Expired legal-status Critical Current

Links

CA209118A Systeme telephonique Expired CA209118A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA209118T

Publications (1)

Publication Number Publication Date
CA209118A true CA209118A (fr) 1921-03-01

Family

ID=35102897

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209118A Expired CA209118A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA209118A (fr)

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