CA423185A - Telephone substation apparatus - Google Patents

Telephone substation apparatus

Info

Publication number
CA423185A
CA423185A CA423185A CA423185DA CA423185A CA 423185 A CA423185 A CA 423185A CA 423185 A CA423185 A CA 423185A CA 423185D A CA423185D A CA 423185DA CA 423185 A CA423185 A CA 423185A
Authority
CA
Canada
Prior art keywords
substation apparatus
telephone substation
telephone
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
CA423185A
Other languages
French (fr)
Inventor
Forester Bennett Arthur
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 CA423185A publication Critical patent/CA423185A/en
Expired legal-status Critical Current

Links

CA423185A Telephone substation apparatus Expired CA423185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA423185T

Publications (1)

Publication Number Publication Date
CA423185A true CA423185A (en) 1944-10-10

Family

ID=35534187

Family Applications (1)

Application Number Title Priority Date Filing Date
CA423185A Expired CA423185A (en) Telephone substation apparatus

Country Status (1)

Country Link
CA (1) CA423185A (en)

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