CA398569A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA398569A
CA398569A CA398569A CA398569DA CA398569A CA 398569 A CA398569 A CA 398569A CA 398569 A CA398569 A CA 398569A CA 398569D A CA398569D A CA 398569DA CA 398569 A CA398569 A CA 398569A
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
CA398569A
Other languages
English (en)
Inventor
Avis Pearce Owen
William Mcclew 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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA398569A publication Critical patent/CA398569A/fr
Expired legal-status Critical Current

Links

CA398569A Systeme telephonique Expired CA398569A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA398569T

Publications (1)

Publication Number Publication Date
CA398569A true CA398569A (fr) 1941-08-12

Family

ID=35409056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA398569A Expired CA398569A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA398569A (fr)

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