CA590808A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
CA590808A
CA590808A CA590808A CA590808DA CA590808A CA 590808 A CA590808 A CA 590808A CA 590808 A CA590808 A CA 590808A CA 590808D A CA590808D A CA 590808DA CA 590808 A CA590808 A CA 590808A
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
CA590808A
Inventor
J. Warman Bloomfield
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
Publication date
Application granted granted Critical
Publication of CA590808A publication Critical patent/CA590808A/en
Expired legal-status Critical Current

Links

CA590808A Automatic telephone systems Expired CA590808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA590808T

Publications (1)

Publication Number Publication Date
CA590808A true CA590808A (en) 1960-01-12

Family

ID=35804344

Family Applications (1)

Application Number Title Priority Date Filing Date
CA590808A Expired CA590808A (en) Automatic telephone systems

Country Status (1)

Country Link
CA (1) CA590808A (en)

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