CA424238A - Telephone substation apparatus - Google Patents

Telephone substation apparatus

Info

Publication number
CA424238A
CA424238A CA424238A CA424238DA CA424238A CA 424238 A CA424238 A CA 424238A CA 424238 A CA424238 A CA 424238A CA 424238D A CA424238D A CA 424238DA CA 424238 A CA424238 A CA 424238A
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
CA424238A
Other languages
French (fr)
Inventor
Devaux Lucien
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
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA424238A publication Critical patent/CA424238A/en
Expired legal-status Critical Current

Links

CA424238A Telephone substation apparatus Expired CA424238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424238T

Publications (1)

Publication Number Publication Date
CA424238A true CA424238A (en) 1944-12-05

Family

ID=35535252

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424238A Expired CA424238A (en) Telephone substation apparatus

Country Status (1)

Country Link
CA (1) CA424238A (en)

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