CA611943A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
CA611943A
CA611943A CA611943A CA611943DA CA611943A CA 611943 A CA611943 A CA 611943A CA 611943 A CA611943 A CA 611943A CA 611943D A CA611943D A CA 611943DA CA 611943 A CA611943 A CA 611943A
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
CA611943A
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 CA611943A publication Critical patent/CA611943A/en
Expired legal-status Critical Current

Links

CA611943A Automatic telephone systems Expired CA611943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA611943T

Publications (1)

Publication Number Publication Date
CA611943A true CA611943A (en) 1961-01-03

Family

ID=35833446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA611943A Expired CA611943A (en) Automatic telephone systems

Country Status (1)

Country Link
CA (1) CA611943A (en)

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