CA385726A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA385726A
CA385726A CA385726A CA385726DA CA385726A CA 385726 A CA385726 A CA 385726A CA 385726 A CA385726 A CA 385726A CA 385726D A CA385726D A CA 385726DA CA 385726 A CA385726 A CA 385726A
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
CA385726A
Other languages
English (en)
Inventor
Wicks John
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 CA385726A publication Critical patent/CA385726A/fr
Expired legal-status Critical Current

Links

CA385726A Systeme telephonique Expired CA385726A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA385726T

Publications (1)

Publication Number Publication Date
CA385726A true CA385726A (fr) 1939-12-19

Family

ID=35390948

Family Applications (1)

Application Number Title Priority Date Filing Date
CA385726A Expired CA385726A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA385726A (fr)

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