CA836658A - Telephone line transfer and foreign exchange circuits - Google Patents

Telephone line transfer and foreign exchange circuits

Info

Publication number
CA836658A
CA836658A CA836658A CA836658DA CA836658A CA 836658 A CA836658 A CA 836658A CA 836658 A CA836658 A CA 836658A CA 836658D A CA836658D A CA 836658DA CA 836658 A CA836658 A CA 836658A
Authority
CA
Canada
Prior art keywords
telephone line
foreign exchange
line transfer
exchange circuits
circuits
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
CA836658A
Inventor
Leyburn Derek
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 CA836658A publication Critical patent/CA836658A/en
Expired legal-status Critical Current

Links

CA836658A Telephone line transfer and foreign exchange circuits Expired CA836658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA836658T

Publications (1)

Publication Number Publication Date
CA836658A true CA836658A (en) 1970-03-10

Family

ID=36320853

Family Applications (1)

Application Number Title Priority Date Filing Date
CA836658A Expired CA836658A (en) Telephone line transfer and foreign exchange circuits

Country Status (1)

Country Link
CA (1) CA836658A (en)

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