CA468167A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA468167A
CA468167A CA468167A CA468167DA CA468167A CA 468167 A CA468167 A CA 468167A CA 468167 A CA468167 A CA 468167A CA 468167D A CA468167D A CA 468167DA CA 468167 A CA468167 A CA 468167A
Authority
CA
Canada
Prior art keywords
telephone systems
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
CA468167A
Other languages
French (fr)
Inventor
Avis Pearce Owen
Thomas 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 CA468167A publication Critical patent/CA468167A/en
Expired legal-status Critical Current

Links

CA468167A Telephone systems Expired CA468167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA468167T

Publications (1)

Publication Number Publication Date
CA468167A true CA468167A (en) 1950-09-19

Family

ID=35602089

Family Applications (1)

Application Number Title Priority Date Filing Date
CA468167A Expired CA468167A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA468167A (en)

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