CA467358A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA467358A
CA467358A CA467358A CA467358DA CA467358A CA 467358 A CA467358 A CA 467358A CA 467358 A CA467358 A CA 467358A CA 467358D A CA467358D A CA 467358DA CA 467358 A CA467358 A CA 467358A
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
CA467358A
Other languages
French (fr)
Inventor
Avis Pearce Owen
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 CA467358A publication Critical patent/CA467358A/en
Expired legal-status Critical Current

Links

CA467358A Telephone systems Expired CA467358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA467358T

Publications (1)

Publication Number Publication Date
CA467358A true CA467358A (en) 1950-08-15

Family

ID=35597125

Family Applications (1)

Application Number Title Priority Date Filing Date
CA467358A Expired CA467358A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA467358A (en)

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