CA243194A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA243194A
CA243194A CA243194A CA243194DA CA243194A CA 243194 A CA243194 A CA 243194A CA 243194 A CA243194 A CA 243194A CA 243194D A CA243194D A CA 243194DA CA 243194 A CA243194 A CA 243194A
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
CA243194A
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 CA243194A publication Critical patent/CA243194A/fr
Expired legal-status Critical Current

Links

CA243194A Systeme telephonique Expired CA243194A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243194T

Publications (1)

Publication Number Publication Date
CA243194A true CA243194A (fr) 1924-09-23

Family

ID=35147222

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243194A Expired CA243194A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA243194A (fr)

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