CA412387A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA412387A
CA412387A CA412387A CA412387DA CA412387A CA 412387 A CA412387 A CA 412387A CA 412387 A CA412387 A CA 412387A CA 412387D A CA412387D A CA 412387DA CA 412387 A CA412387 A CA 412387A
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
CA412387A
Other languages
English (en)
Inventor
Sampson Mcandrew Smart
Migliasso Clemente
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 CA412387A publication Critical patent/CA412387A/fr
Expired legal-status Critical Current

Links

CA412387A Systeme telephonique Expired CA412387A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA412387T

Publications (1)

Publication Number Publication Date
CA412387A true CA412387A (fr) 1943-05-11

Family

ID=35521552

Family Applications (1)

Application Number Title Priority Date Filing Date
CA412387A Expired CA412387A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA412387A (fr)

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