CA613498A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
CA613498A
CA613498A CA613498A CA613498DA CA613498A CA 613498 A CA613498 A CA 613498A CA 613498 A CA613498 A CA 613498A CA 613498D A CA613498D A CA 613498DA CA 613498 A CA613498 A CA 613498A
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
CA613498A
Inventor
E. Callender Jack
H. Blashfield William
A. Harris Ben
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 CA613498A publication Critical patent/CA613498A/en
Expired legal-status Critical Current

Links

CA613498A Automatic telephone system Expired CA613498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA613498T

Publications (1)

Publication Number Publication Date
CA613498A true CA613498A (en) 1961-01-31

Family

ID=35855816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA613498A Expired CA613498A (en) Automatic telephone system

Country Status (1)

Country Link
CA (1) CA613498A (en)

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