CA450847A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA450847A
CA450847A CA450847A CA450847DA CA450847A CA 450847 A CA450847 A CA 450847A CA 450847 A CA450847 A CA 450847A CA 450847D A CA450847D A CA 450847DA CA 450847 A CA450847 A CA 450847A
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
CA450847A
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 CA450847A publication Critical patent/CA450847A/fr
Expired legal-status Critical Current

Links

CA450847A Systeme telephonique Expired CA450847A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA450847T

Publications (1)

Publication Number Publication Date
CA450847A true CA450847A (fr) 1948-08-31

Family

ID=35568567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA450847A Expired CA450847A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA450847A (fr)

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