CA620623A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
CA620623A
CA620623A CA620623A CA620623DA CA620623A CA 620623 A CA620623 A CA 620623A CA 620623 A CA620623 A CA 620623A CA 620623D A CA620623D A CA 620623DA CA 620623 A CA620623 A CA 620623A
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
CA620623A
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 Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA620623A publication Critical patent/CA620623A/en
Expired legal-status Critical Current

Links

CA620623A Automatic telephone systems Expired CA620623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA620623T

Publications (1)

Publication Number Publication Date
CA620623A true CA620623A (en) 1961-05-23

Family

ID=35875815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA620623A Expired CA620623A (en) Automatic telephone systems

Country Status (1)

Country Link
CA (1) CA620623A (en)

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