CA313110A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA313110A
CA313110A CA313110DA CA313110A CA 313110 A CA313110 A CA 313110A CA 313110D A CA313110D A CA 313110DA CA 313110 A CA313110 A CA 313110A
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
Other languages
English (en)
Inventor
Leonard Peters Charles
Adam Christian David
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA313110A publication Critical patent/CA313110A/fr
Expired legal-status Critical Current

Links

CA313110D Systeme telephonique Expired CA313110A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA313110T

Publications (1)

Publication Number Publication Date
CA313110A true CA313110A (fr) 1931-07-07

Family

ID=35272436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA313110D Expired CA313110A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA313110A (fr)

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