CA521241A - Relay automatic telephone system - Google Patents

Relay automatic telephone system

Info

Publication number
CA521241A
CA521241A CA521241A CA521241DA CA521241A CA 521241 A CA521241 A CA 521241A CA 521241 A CA521241 A CA 521241A CA 521241D A CA521241D A CA 521241DA CA 521241 A CA521241 A CA 521241A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
relay automatic
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
CA521241A
Other languages
French (fr)
Inventor
H. Voss John
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA521241A publication Critical patent/CA521241A/en
Expired legal-status Critical Current

Links

CA521241A Relay automatic telephone system Expired CA521241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA521241T

Publications (1)

Publication Number Publication Date
CA521241A true CA521241A (en) 1956-01-31

Family

ID=35674462

Family Applications (1)

Application Number Title Priority Date Filing Date
CA521241A Expired CA521241A (en) Relay automatic telephone system

Country Status (1)

Country Link
CA (1) CA521241A (en)

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