CA411741A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA411741A
CA411741A CA411741A CA411741DA CA411741A CA 411741 A CA411741 A CA 411741A CA 411741 A CA411741 A CA 411741A CA 411741D A CA411741D A CA 411741DA CA 411741 A CA411741 A CA 411741A
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
CA411741A
Other languages
English (en)
Inventor
Taylor Reginald
Gillings Charles
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 CA411741A publication Critical patent/CA411741A/fr
Expired legal-status Critical Current

Links

CA411741A Systeme telephonique Expired CA411741A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA411741T

Publications (1)

Publication Number Publication Date
CA411741A true CA411741A (fr) 1943-04-13

Family

ID=35423044

Family Applications (1)

Application Number Title Priority Date Filing Date
CA411741A Expired CA411741A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA411741A (fr)

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