CA420938A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA420938A
CA420938A CA420938A CA420938DA CA420938A CA 420938 A CA420938 A CA 420938A CA 420938 A CA420938 A CA 420938A CA 420938D A CA420938D A CA 420938DA CA 420938 A CA420938 A CA 420938A
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
CA420938A
Other languages
English (en)
Inventor
Thomas Baker George
Taylor Reginald
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 CA420938A publication Critical patent/CA420938A/fr
Expired legal-status Critical Current

Links

CA420938A Systeme telephonique Expired CA420938A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA420938T

Publications (1)

Publication Number Publication Date
CA420938A true CA420938A (fr) 1944-06-20

Family

ID=35531884

Family Applications (1)

Application Number Title Priority Date Filing Date
CA420938A Expired CA420938A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA420938A (fr)

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