CA306121A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA306121A
CA306121A CA306121A CA306121DA CA306121A CA 306121 A CA306121 A CA 306121A CA 306121 A CA306121 A CA 306121A CA 306121D A CA306121D A CA 306121DA CA 306121 A CA306121 A CA 306121A
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
CA306121A
Other languages
English (en)
Inventor
F. Obergfell Herbert
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 CA306121A publication Critical patent/CA306121A/fr
Expired legal-status Critical Current

Links

CA306121A Systeme telephonique Expired CA306121A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306121T

Publications (1)

Publication Number Publication Date
CA306121A true CA306121A (fr) 1930-11-25

Family

ID=35259271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306121A Expired CA306121A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA306121A (fr)

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