CA431425A - Telephone relay - Google Patents

Telephone relay

Info

Publication number
CA431425A
CA431425A CA431425A CA431425DA CA431425A CA 431425 A CA431425 A CA 431425A CA 431425 A CA431425 A CA 431425A CA 431425D A CA431425D A CA 431425DA CA 431425 A CA431425 A CA 431425A
Authority
CA
Canada
Prior art keywords
telephone relay
relay
telephone
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
CA431425A
Other languages
French (fr)
Inventor
Breckenridge Ellwood Walter
Eric Hill Henry
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA431425A publication Critical patent/CA431425A/en
Expired legal-status Critical Current

Links

CA431425A Telephone relay Expired CA431425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA431425T

Publications (1)

Publication Number Publication Date
CA431425A true CA431425A (en) 1945-11-20

Family

ID=35546467

Family Applications (1)

Application Number Title Priority Date Filing Date
CA431425A Expired CA431425A (en) Telephone relay

Country Status (1)

Country Link
CA (1) CA431425A (en)

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