CA414419A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA414419A
CA414419A CA414419A CA414419DA CA414419A CA 414419 A CA414419 A CA 414419A CA 414419 A CA414419 A CA 414419A CA 414419D A CA414419D A CA 414419DA CA 414419 A CA414419 A CA 414419A
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
CA414419A
Other languages
English (en)
Inventor
Taylor Reginald
Thomas Baker George
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 CA414419A publication Critical patent/CA414419A/fr
Expired legal-status Critical Current

Links

CA414419A Systeme telephonique Expired CA414419A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA414419T

Publications (1)

Publication Number Publication Date
CA414419A true CA414419A (fr) 1943-08-10

Family

ID=35523611

Family Applications (1)

Application Number Title Priority Date Filing Date
CA414419A Expired CA414419A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA414419A (fr)

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