CA690756A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA690756A
CA690756A CA690756A CA690756DA CA690756A CA 690756 A CA690756 A CA 690756A CA 690756 A CA690756 A CA 690756A CA 690756D A CA690756D A CA 690756DA CA 690756 A CA690756 A CA 690756A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
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
CA690756A
Inventor
P. Bohner Marcel
P. L. Basset Jacques
H. Cogne Pierre
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.)
ITT Canada Ltd
Original Assignee
ITT Canada Ltd
Publication date
Application granted granted Critical
Publication of CA690756A publication Critical patent/CA690756A/en
Expired legal-status Critical Current

Links

CA690756A Telephone systems Expired CA690756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA690756T

Publications (1)

Publication Number Publication Date
CA690756A true CA690756A (en) 1964-07-14

Family

ID=35993375

Family Applications (1)

Application Number Title Priority Date Filing Date
CA690756A Expired CA690756A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA690756A (en)

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