CA518930A - Systeme de telephone automatique a relais - Google Patents

Systeme de telephone automatique a relais

Info

Publication number
CA518930A
CA518930A CA518930A CA518930DA CA518930A CA 518930 A CA518930 A CA 518930A CA 518930 A CA518930 A CA 518930A CA 518930D A CA518930D A CA 518930DA CA 518930 A CA518930 A CA 518930A
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
CA518930A
Other languages
English (en)
Inventor
H. Voss John
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA518930A publication Critical patent/CA518930A/fr
Expired legal-status Critical Current

Links

CA518930A Systeme de telephone automatique a relais Expired CA518930A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA518930T

Publications (1)

Publication Number Publication Date
CA518930A true CA518930A (fr) 1955-11-29

Family

ID=35672133

Family Applications (1)

Application Number Title Priority Date Filing Date
CA518930A Expired CA518930A (fr) Systeme de telephone automatique a relais

Country Status (1)

Country Link
CA (1) CA518930A (fr)

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