CA427100A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA427100A
CA427100A CA427100A CA427100DA CA427100A CA 427100 A CA427100 A CA 427100A CA 427100 A CA427100 A CA 427100A CA 427100D A CA427100D A CA 427100DA CA 427100 A CA427100 A CA 427100A
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
CA427100A
Other languages
English (en)
Inventor
Leone Dimond Thomas
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA427100A publication Critical patent/CA427100A/fr
Expired legal-status Critical Current

Links

CA427100A Systeme telephonique Expired CA427100A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA427100T

Publications (1)

Publication Number Publication Date
CA427100A true CA427100A (fr) 1945-04-24

Family

ID=35538128

Family Applications (1)

Application Number Title Priority Date Filing Date
CA427100A Expired CA427100A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA427100A (fr)

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