CA457207A - Systeme de telephone automatique - Google Patents

Systeme de telephone automatique

Info

Publication number
CA457207A
CA457207A CA457207A CA457207DA CA457207A CA 457207 A CA457207 A CA 457207A CA 457207 A CA457207 A CA 457207A CA 457207D A CA457207D A CA 457207DA CA 457207 A CA457207 A CA 457207A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
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
CA457207A
Other languages
English (en)
Inventor
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 CA457207A publication Critical patent/CA457207A/fr
Expired legal-status Critical Current

Links

CA457207A Systeme de telephone automatique Expired CA457207A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA457207T

Publications (1)

Publication Number Publication Date
CA457207A true CA457207A (fr) 1949-06-07

Family

ID=35574946

Family Applications (1)

Application Number Title Priority Date Filing Date
CA457207A Expired CA457207A (fr) Systeme de telephone automatique

Country Status (1)

Country Link
CA (1) CA457207A (fr)

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