CA220744A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA220744A
CA220744A CA220744A CA220744DA CA220744A CA 220744 A CA220744 A CA 220744A CA 220744 A CA220744 A CA 220744A CA 220744D A CA220744D A CA 220744DA CA 220744 A CA220744 A CA 220744A
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
CA220744A
Other languages
English (en)
Inventor
W. Alexanderson F.
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA220744A publication Critical patent/CA220744A/fr
Expired legal-status Critical Current

Links

CA220744A Systeme telephonique Expired CA220744A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220744T

Publications (1)

Publication Number Publication Date
CA220744A true CA220744A (fr) 1922-07-11

Family

ID=35116347

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220744A Expired CA220744A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA220744A (fr)

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