CA347418A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA347418A
CA347418A CA347418A CA347418DA CA347418A CA 347418 A CA347418 A CA 347418A CA 347418 A CA347418 A CA 347418A CA 347418D A CA347418D A CA 347418DA CA 347418 A CA347418 A CA 347418A
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
CA347418A
Other languages
English (en)
Inventor
Shimazu Yasujiro
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
Publication date
Application granted granted Critical
Publication of CA347418A publication Critical patent/CA347418A/fr
Expired legal-status Critical Current

Links

CA347418A Systeme telephonique Expired CA347418A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA347418T

Publications (1)

Publication Number Publication Date
CA347418A true CA347418A (fr) 1935-01-08

Family

ID=35318692

Family Applications (1)

Application Number Title Priority Date Filing Date
CA347418A Expired CA347418A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA347418A (fr)

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