CA472013A - Two way carrier telephone systems - Google Patents

Two way carrier telephone systems

Info

Publication number
CA472013A
CA472013A CA472013A CA472013DA CA472013A CA 472013 A CA472013 A CA 472013A CA 472013 A CA472013 A CA 472013A CA 472013D A CA472013D A CA 472013DA CA 472013 A CA472013 A CA 472013A
Authority
CA
Canada
Prior art keywords
telephone systems
carrier telephone
way carrier
way
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
CA472013A
Other languages
French (fr)
Inventor
L. Almquist Milton
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA472013A publication Critical patent/CA472013A/en
Expired legal-status Critical Current

Links

CA472013A Two way carrier telephone systems Expired CA472013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA472013T

Publications (1)

Publication Number Publication Date
CA472013A true CA472013A (en) 1951-03-06

Family

ID=35605968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA472013A Expired CA472013A (en) Two way carrier telephone systems

Country Status (1)

Country Link
CA (1) CA472013A (en)

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