CA432388A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA432388A
CA432388A CA432388A CA432388DA CA432388A CA 432388 A CA432388 A CA 432388A CA 432388 A CA432388 A CA 432388A CA 432388D A CA432388D A CA 432388DA CA 432388 A CA432388 A CA 432388A
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
CA432388A
Other languages
French (fr)
Inventor
Telephone And Telegraph Company Associated
E. Peterson Seth
E. Griffins Morris
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA432388A publication Critical patent/CA432388A/en
Expired legal-status Critical Current

Links

CA432388A Telephone system Expired CA432388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA432388T

Publications (1)

Publication Number Publication Date
CA432388A true CA432388A (en) 1946-01-08

Family

ID=35547344

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432388A Expired CA432388A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA432388A (en)

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