CA348528A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA348528A
CA348528A CA348528A CA348528DA CA348528A CA 348528 A CA348528 A CA 348528A CA 348528 A CA348528 A CA 348528A CA 348528D A CA348528D A CA 348528DA CA 348528 A CA348528 A CA 348528A
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
CA348528A
Other languages
English (en)
Inventor
David Butz Edward
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 Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA348528A publication Critical patent/CA348528A/fr
Expired legal-status Critical Current

Links

CA348528A Systeme telephonique Expired CA348528A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA348528T

Publications (1)

Publication Number Publication Date
CA348528A true CA348528A (fr) 1935-02-26

Family

ID=35319803

Family Applications (1)

Application Number Title Priority Date Filing Date
CA348528A Expired CA348528A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA348528A (fr)

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