CA617567A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
CA617567A
CA617567A CA617567A CA617567DA CA617567A CA 617567 A CA617567 A CA 617567A CA 617567 A CA617567 A CA 617567A CA 617567D A CA617567D A CA 617567DA CA 617567 A CA617567 A CA 617567A
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
CA617567A
Inventor
O. Dahlman Per
D. Simmons Dorsey
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.)
North Electric Co
Original Assignee
North Electric Co
Publication date
Application granted granted Critical
Publication of CA617567A publication Critical patent/CA617567A/en
Expired legal-status Critical Current

Links

CA617567A Automatic telephone system Expired CA617567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA617567T

Publications (1)

Publication Number Publication Date
CA617567A true CA617567A (en) 1961-04-04

Family

ID=35859860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA617567A Expired CA617567A (en) Automatic telephone system

Country Status (1)

Country Link
CA (1) CA617567A (en)

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