CA295098A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA295098A
CA295098A CA295098A CA295098DA CA295098A CA 295098 A CA295098 A CA 295098A CA 295098 A CA295098 A CA 295098A CA 295098D A CA295098D A CA 295098DA CA 295098 A CA295098 A CA 295098A
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
CA295098A
Other languages
English (en)
Inventor
Robert Rayner Thomas
Philip Preist Thomas
Eillis Ostline John
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 CA295098A publication Critical patent/CA295098A/fr
Expired legal-status Critical Current

Links

CA295098A Systeme telephonique Expired CA295098A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA295098T

Publications (1)

Publication Number Publication Date
CA295098A true CA295098A (fr) 1929-11-26

Family

ID=35232416

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295098A Expired CA295098A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA295098A (fr)

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