CA220101A - Systeme telephonique automatique - Google Patents

Systeme telephonique automatique

Info

Publication number
CA220101A
CA220101A CA220101A CA220101DA CA220101A CA 220101 A CA220101 A CA 220101A CA 220101 A CA220101 A CA 220101A CA 220101D A CA220101D A CA 220101DA CA 220101 A CA220101 A CA 220101A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
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
CA220101A
Other languages
English (en)
Inventor
C. Martin Talbot
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.)
Nortel Networks Ltd
Automatic Electric Co
Original Assignee
Northern Electric Co Ltd
Automatic Electric Co
Publication date
Application granted granted Critical
Publication of CA220101A publication Critical patent/CA220101A/fr
Expired legal-status Critical Current

Links

CA220101A Systeme telephonique automatique Expired CA220101A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220101T

Publications (1)

Publication Number Publication Date
CA220101A true CA220101A (fr) 1922-06-27

Family

ID=35114545

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220101A Expired CA220101A (fr) Systeme telephonique automatique

Country Status (1)

Country Link
CA (1) CA220101A (fr)

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