CA237256A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA237256A
CA237256A CA237256A CA237256DA CA237256A CA 237256 A CA237256 A CA 237256A CA 237256 A CA237256 A CA 237256A CA 237256D A CA237256D A CA 237256DA CA 237256 A CA237256 A CA 237256A
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
CA237256A
Other languages
English (en)
Inventor
Wicks John
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 CA237256A publication Critical patent/CA237256A/fr
Expired legal-status Critical Current

Links

CA237256A Systeme telephonique Expired CA237256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA237256T

Publications (1)

Publication Number Publication Date
CA237256A true CA237256A (fr) 1924-01-22

Family

ID=35141285

Family Applications (1)

Application Number Title Priority Date Filing Date
CA237256A Expired CA237256A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA237256A (fr)

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