CA427107A - Telephone substation circuit - Google Patents

Telephone substation circuit

Info

Publication number
CA427107A
CA427107A CA427107A CA427107DA CA427107A CA 427107 A CA427107 A CA 427107A CA 427107 A CA427107 A CA 427107A CA 427107D A CA427107D A CA 427107DA CA 427107 A CA427107 A CA 427107A
Authority
CA
Canada
Prior art keywords
substation circuit
telephone substation
telephone
circuit
substation
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
CA427107A
Other languages
French (fr)
Inventor
Allmen Lundstrom Alexis
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 CA427107A publication Critical patent/CA427107A/en
Expired legal-status Critical Current

Links

CA427107A Telephone substation circuit Expired CA427107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA427107T

Publications (1)

Publication Number Publication Date
CA427107A true CA427107A (en) 1945-04-24

Family

ID=35538136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA427107A Expired CA427107A (en) Telephone substation circuit

Country Status (1)

Country Link
CA (1) CA427107A (en)

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