CA597294A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
CA597294A
CA597294A CA597294A CA597294DA CA597294A CA 597294 A CA597294 A CA 597294A CA 597294 A CA597294 A CA 597294A CA 597294D A CA597294D A CA 597294DA CA 597294 A CA597294 A CA 597294A
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
CA597294A
Inventor
O. Dahlman Per
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 CA597294A publication Critical patent/CA597294A/en
Expired legal-status Critical Current

Links

CA597294A Automatic telephone system Expired CA597294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA597294T

Publications (1)

Publication Number Publication Date
CA597294A true CA597294A (en) 1960-05-03

Family

ID=35813069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA597294A Expired CA597294A (en) Automatic telephone system

Country Status (1)

Country Link
CA (1) CA597294A (en)

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