CA489269A - Systemes de telephones automatiques - Google Patents

Systemes de telephones automatiques

Info

Publication number
CA489269A
CA489269A CA489269A CA489269DA CA489269A CA 489269 A CA489269 A CA 489269A CA 489269 A CA489269 A CA 489269A CA 489269D A CA489269D A CA 489269DA CA 489269 A CA489269 A CA 489269A
Authority
CA
Canada
Prior art keywords
telephone systems
automatic telephone
automatic
systems
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
CA489269A
Other languages
English (en)
Inventor
Deakin Gerald
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA489269A publication Critical patent/CA489269A/fr
Expired legal-status Critical Current

Links

CA489269A Systemes de telephones automatiques Expired CA489269A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489269T

Publications (1)

Publication Number Publication Date
CA489269A true CA489269A (fr) 1952-12-30

Family

ID=35628995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489269A Expired CA489269A (fr) Systemes de telephones automatiques

Country Status (1)

Country Link
CA (1) CA489269A (fr)

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