CA340822A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA340822A
CA340822A CA340822A CA340822DA CA340822A CA 340822 A CA340822 A CA 340822A CA 340822 A CA340822 A CA 340822A CA 340822D A CA340822D A CA 340822DA CA 340822 A CA340822 A CA 340822A
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
CA340822A
Other languages
English (en)
Inventor
Vincent Curley 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
Publication date
Application granted granted Critical
Publication of CA340822A publication Critical patent/CA340822A/fr
Expired legal-status Critical Current

Links

CA340822A Systeme telephonique Expired CA340822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA340822T

Publications (1)

Publication Number Publication Date
CA340822A true CA340822A (fr) 1934-04-10

Family

ID=35312096

Family Applications (1)

Application Number Title Priority Date Filing Date
CA340822A Expired CA340822A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA340822A (fr)

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