CA302060A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA302060A
CA302060A CA302060A CA302060DA CA302060A CA 302060 A CA302060 A CA 302060A CA 302060 A CA302060 A CA 302060A CA 302060D A CA302060D A CA 302060DA CA 302060 A CA302060 A CA 302060A
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
CA302060A
Other languages
English (en)
Inventor
Dean Turton George
Stanley Vick William
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA302060A publication Critical patent/CA302060A/fr
Expired legal-status Critical Current

Links

CA302060A Systeme telephonique Expired CA302060A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA302060T

Publications (1)

Publication Number Publication Date
CA302060A true CA302060A (fr) 1930-07-15

Family

ID=35255206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302060A Expired CA302060A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA302060A (fr)

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