CA841707A - Telephone foreign exchange system - Google Patents

Telephone foreign exchange system

Info

Publication number
CA841707A
CA841707A CA841707A CA841707DA CA841707A CA 841707 A CA841707 A CA 841707A CA 841707 A CA841707 A CA 841707A CA 841707D A CA841707D A CA 841707DA CA 841707 A CA841707 A CA 841707A
Authority
CA
Canada
Prior art keywords
telephone
exchange system
foreign exchange
foreign
telephone foreign
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
CA841707A
Inventor
Leyburn Derek
Wyllie John
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
Publication date
Application granted granted Critical
Publication of CA841707A publication Critical patent/CA841707A/en
Expired legal-status Critical Current

Links

CA841707A Telephone foreign exchange system Expired CA841707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA841707T

Publications (1)

Publication Number Publication Date
CA841707A true CA841707A (en) 1970-05-12

Family

ID=36325908

Family Applications (1)

Application Number Title Priority Date Filing Date
CA841707A Expired CA841707A (en) Telephone foreign exchange system

Country Status (1)

Country Link
CA (1) CA841707A (en)

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