CA411412A - Automatic telephone switch - Google Patents

Automatic telephone switch

Info

Publication number
CA411412A
CA411412A CA411412A CA411412DA CA411412A CA 411412 A CA411412 A CA 411412A CA 411412 A CA411412 A CA 411412A CA 411412D A CA411412D A CA 411412DA CA 411412 A CA411412 A CA 411412A
Authority
CA
Canada
Prior art keywords
automatic telephone
telephone switch
switch
automatic
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
CA411412A
Other languages
French (fr)
Inventor
Edmund Beale Charles
Trevor Richards Idris
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA411412A publication Critical patent/CA411412A/en
Expired legal-status Critical Current

Links

CA411412A Automatic telephone switch Expired CA411412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA411412T

Publications (1)

Publication Number Publication Date
CA411412A true CA411412A (en) 1943-03-30

Family

ID=35422714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA411412A Expired CA411412A (en) Automatic telephone switch

Country Status (1)

Country Link
CA (1) CA411412A (en)

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