CA318635A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA318635A
CA318635A CA318635A CA318635DA CA318635A CA 318635 A CA318635 A CA 318635A CA 318635 A CA318635 A CA 318635A CA 318635D A CA318635D A CA 318635DA CA 318635 A CA318635 A CA 318635A
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
CA318635A
Other languages
English (en)
Inventor
Avis Pearce Owen
Martin Simpson Lancelot
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 CA318635A publication Critical patent/CA318635A/fr
Expired legal-status Critical Current

Links

CA318635A Systeme telephonique Expired CA318635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA318635T

Publications (1)

Publication Number Publication Date
CA318635A true CA318635A (fr) 1932-01-05

Family

ID=35279190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318635A Expired CA318635A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA318635A (fr)

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