CA587624A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
CA587624A
CA587624A CA587624A CA587624DA CA587624A CA 587624 A CA587624 A CA 587624A CA 587624 A CA587624 A CA 587624A CA 587624D A CA587624D A CA 587624DA CA 587624 A CA587624 A CA 587624A
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
CA587624A
Other languages
French (fr)
Inventor
T. Baker George
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Publication date
Application granted granted Critical
Publication of CA587624A publication Critical patent/CA587624A/en
Expired legal-status Critical Current

Links

CA587624A Automatic telephone systems Expired CA587624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA587624T

Publications (1)

Publication Number Publication Date
CA587624A true CA587624A (en) 1959-11-24

Family

ID=35767099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA587624A Expired CA587624A (en) Automatic telephone systems

Country Status (1)

Country Link
CA (1) CA587624A (en)

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