CA637622A - Arrangements for providing two-way communication at intermediate points on a telephone circuit - Google Patents

Arrangements for providing two-way communication at intermediate points on a telephone circuit

Info

Publication number
CA637622A
CA637622A CA637622A CA637622DA CA637622A CA 637622 A CA637622 A CA 637622A CA 637622 A CA637622 A CA 637622A CA 637622D A CA637622D A CA 637622DA CA 637622 A CA637622 A CA 637622A
Authority
CA
Canada
Prior art keywords
arrangements
providing
way communication
intermediate points
telephone circuit
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
CA637622A
Inventor
C. Brown Derrick
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.)
Telephone Manufacturing Co Ltd
Original Assignee
Telephone Manufacturing Co Ltd
Publication date
Application granted granted Critical
Publication of CA637622A publication Critical patent/CA637622A/en
Expired legal-status Critical Current

Links

CA637622A Arrangements for providing two-way communication at intermediate points on a telephone circuit Expired CA637622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA637622T

Publications (1)

Publication Number Publication Date
CA637622A true CA637622A (en) 1962-03-06

Family

ID=35916130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA637622A Expired CA637622A (en) Arrangements for providing two-way communication at intermediate points on a telephone circuit

Country Status (1)

Country Link
CA (1) CA637622A (en)

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