CA237254A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA237254A
CA237254A CA237254A CA237254DA CA237254A CA 237254 A CA237254 A CA 237254A CA 237254 A CA237254 A CA 237254A CA 237254D A CA237254D A CA 237254DA CA 237254 A CA237254 A CA 237254A
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
CA237254A
Other languages
English (en)
Inventor
E. Lomax Clarence
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 CA237254A publication Critical patent/CA237254A/fr
Expired legal-status Critical Current

Links

CA237254A Systeme telephonique Expired CA237254A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA237254T

Publications (1)

Publication Number Publication Date
CA237254A true CA237254A (fr) 1924-01-22

Family

ID=35141283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA237254A Expired CA237254A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA237254A (fr)

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