CA292148A - Reseau telephonique - Google Patents

Reseau telephonique

Info

Publication number
CA292148A
CA292148A CA292148A CA292148DA CA292148A CA 292148 A CA292148 A CA 292148A CA 292148 A CA292148 A CA 292148A CA 292148D A CA292148D A CA 292148DA CA 292148 A CA292148 A CA 292148A
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
CA292148A
Other languages
English (en)
Inventor
Edmund Beale Charles
Oglesby Passmore William
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA292148A publication Critical patent/CA292148A/fr
Expired legal-status Critical Current

Links

CA292148A Reseau telephonique Expired CA292148A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA292148T

Publications (1)

Publication Number Publication Date
CA292148A true CA292148A (fr) 1929-08-13

Family

ID=35228960

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292148A Expired CA292148A (fr) Reseau telephonique

Country Status (1)

Country Link
CA (1) CA292148A (fr)

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