CA722797A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA722797A
CA722797A CA722797A CA722797DA CA722797A CA 722797 A CA722797 A CA 722797A CA 722797 A CA722797 A CA 722797A CA 722797D A CA722797D A CA 722797DA CA 722797 A CA722797 A CA 722797A
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
CA722797A
Inventor
P. L. Basset Jacques
P. Bohner Marcel
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 CA722797A publication Critical patent/CA722797A/en
Expired legal-status Critical Current

Links

CA722797A Telephone systems Expired CA722797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA722797T

Publications (1)

Publication Number Publication Date
CA722797A true CA722797A (en) 1965-11-30

Family

ID=36058374

Family Applications (1)

Application Number Title Priority Date Filing Date
CA722797A Expired CA722797A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA722797A (en)

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