CA810265A - Automatic telephone exchange systems - Google Patents

Automatic telephone exchange systems

Info

Publication number
CA810265A
CA810265A CA810265A CA810265DA CA810265A CA 810265 A CA810265 A CA 810265A CA 810265 A CA810265 A CA 810265A CA 810265D A CA810265D A CA 810265DA CA 810265 A CA810265 A CA 810265A
Authority
CA
Canada
Prior art keywords
telephone exchange
automatic telephone
exchange systems
systems
automatic
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
CA810265A
Inventor
J. Browell Leslie
Kent Norman
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA810265A publication Critical patent/CA810265A/en
Expired legal-status Critical Current

Links

CA810265A Automatic telephone exchange systems Expired CA810265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA810265T

Publications (1)

Publication Number Publication Date
CA810265A true CA810265A (en) 1969-04-08

Family

ID=36280786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA810265A Expired CA810265A (en) Automatic telephone exchange systems

Country Status (1)

Country Link
CA (1) CA810265A (en)

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