CA248019A - Central telephonique - Google Patents

Central telephonique

Info

Publication number
CA248019A
CA248019A CA248019A CA248019DA CA248019A CA 248019 A CA248019 A CA 248019A CA 248019 A CA248019 A CA 248019A CA 248019D A CA248019D A CA 248019DA CA 248019 A CA248019 A CA 248019A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA248019A
Other languages
English (en)
Inventor
L. Goodrum Charles
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.)
INTERNATIONAL WESTERN ELECTRIC Co Inc
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co Inc
Publication date
Application granted granted Critical
Publication of CA248019A publication Critical patent/CA248019A/fr
Expired legal-status Critical Current

Links

CA248019A Central telephonique Expired CA248019A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA248019T

Publications (1)

Publication Number Publication Date
CA248019A true CA248019A (fr) 1925-03-24

Family

ID=35154993

Family Applications (1)

Application Number Title Priority Date Filing Date
CA248019A Expired CA248019A (fr) Central telephonique

Country Status (1)

Country Link
CA (1) CA248019A (fr)

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