CA828828A - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
CA828828A
CA828828A CA828828A CA828828DA CA828828A CA 828828 A CA828828 A CA 828828A CA 828828 A CA828828 A CA 828828A CA 828828D A CA828828D A CA 828828DA CA 828828 A CA828828 A CA 828828A
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
CA828828A
Inventor
A. C. Hemmings William
S. Hampson Peter
F. Rigby Donald
A. Gee John
Kelson Donald
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.)
HER MAJESTY'S POSTMASTER GENERAL OF GREAT BRITAIN
Automatic Telephone and Electric Co Ltd
Original Assignee
HER MAJESTY'S POSTMASTER GENERAL OF GREAT BRITAIN
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA828828A publication Critical patent/CA828828A/en
Expired legal-status Critical Current

Links

CA828828A Automatic telephone systems Expired CA828828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA828828T

Publications (1)

Publication Number Publication Date
CA828828A true CA828828A (en) 1969-12-02

Family

ID=36306281

Family Applications (1)

Application Number Title Priority Date Filing Date
CA828828A Expired CA828828A (en) Automatic telephone systems

Country Status (1)

Country Link
CA (1) CA828828A (en)

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