CA546387A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA546387A
CA546387A CA546387A CA546387DA CA546387A CA 546387 A CA546387 A CA 546387A CA 546387 A CA546387 A CA 546387A CA 546387D A CA546387D A CA 546387DA CA 546387 A CA546387 A CA 546387A
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
CA546387A
Other languages
French (fr)
Inventor
H. Faulkner Alfred
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA546387A publication Critical patent/CA546387A/en
Expired legal-status Critical Current

Links

CA546387A Telephone systems Expired CA546387A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA546387T

Publications (1)

Publication Number Publication Date
CA546387A true CA546387A (en) 1957-09-17

Family

ID=35703580

Family Applications (1)

Application Number Title Priority Date Filing Date
CA546387A Expired CA546387A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA546387A (en)

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