CA243187A - Ecouteur telephonique - Google Patents

Ecouteur telephonique

Info

Publication number
CA243187A
CA243187A CA243187A CA243187DA CA243187A CA 243187 A CA243187 A CA 243187A CA 243187 A CA243187 A CA 243187A CA 243187D A CA243187D A CA 243187DA CA 243187 A CA243187 A CA 243187A
Authority
CA
Canada
Prior art keywords
telephone receiver
telephone
receiver
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
CA243187A
Other languages
English (en)
Inventor
Bessey Smith Arthur
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 CA243187A publication Critical patent/CA243187A/fr
Expired legal-status Critical Current

Links

CA243187A Ecouteur telephonique Expired CA243187A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243187T

Publications (1)

Publication Number Publication Date
CA243187A true CA243187A (fr) 1924-09-23

Family

ID=35147215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243187A Expired CA243187A (fr) Ecouteur telephonique

Country Status (1)

Country Link
CA (1) CA243187A (fr)

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