CA405760A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA405760A
CA405760A CA405760A CA405760DA CA405760A CA 405760 A CA405760 A CA 405760A CA 405760 A CA405760 A CA 405760A CA 405760D A CA405760D A CA 405760DA CA 405760 A CA405760 A CA 405760A
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
CA405760A
Other languages
English (en)
Inventor
William Mcclew John
Avis Pearce Owen
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 CA405760A publication Critical patent/CA405760A/fr
Expired legal-status Critical Current

Links

CA405760A Systeme telephonique Expired CA405760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA405760T

Publications (1)

Publication Number Publication Date
CA405760A true CA405760A (fr) 1942-06-30

Family

ID=35417060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA405760A Expired CA405760A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA405760A (fr)

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