CA493490A - Telephone or like systems - Google Patents

Telephone or like systems

Info

Publication number
CA493490A
CA493490A CA493490A CA493490DA CA493490A CA 493490 A CA493490 A CA 493490A CA 493490 A CA493490 A CA 493490A CA 493490D A CA493490D A CA 493490DA CA 493490 A CA493490 A CA 493490A
Authority
CA
Canada
Prior art keywords
telephone
systems
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
CA493490A
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA493490A publication Critical patent/CA493490A/en
Expired legal-status Critical Current

Links

CA493490A Telephone or like systems Expired CA493490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493490T

Publications (1)

Publication Number Publication Date
CA493490A true CA493490A (en) 1953-06-09

Family

ID=35638879

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493490A Expired CA493490A (en) Telephone or like systems

Country Status (1)

Country Link
CA (1) CA493490A (en)

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