CA320533A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA320533A
CA320533A CA320533A CA320533DA CA320533A CA 320533 A CA320533 A CA 320533A CA 320533 A CA320533 A CA 320533A CA 320533D A CA320533D A CA 320533DA CA 320533 A CA320533 A CA 320533A
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
CA320533A
Other languages
French (fr)
Inventor
Edgar Comyn Frank
Taylor Reginald
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 CA320533A publication Critical patent/CA320533A/en
Expired legal-status Critical Current

Links

CA320533A Telephone system Expired CA320533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA320533T

Publications (1)

Publication Number Publication Date
CA320533A true CA320533A (en) 1932-03-15

Family

ID=35281087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA320533A Expired CA320533A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA320533A (en)

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