CA510665A - Systemes telephoniques - Google Patents

Systemes telephoniques

Info

Publication number
CA510665A
CA510665A CA510665A CA510665DA CA510665A CA 510665 A CA510665 A CA 510665A CA 510665 A CA510665 A CA 510665A CA 510665D A CA510665D A CA 510665DA CA 510665 A CA510665 A CA 510665A
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
CA510665A
Other languages
English (en)
Inventor
W. Jones Roy
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 Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA510665A publication Critical patent/CA510665A/fr
Expired legal-status Critical Current

Links

CA510665A Systemes telephoniques Expired CA510665A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA510665T

Publications (1)

Publication Number Publication Date
CA510665A true CA510665A (fr) 1955-03-08

Family

ID=35661727

Family Applications (1)

Application Number Title Priority Date Filing Date
CA510665A Expired CA510665A (fr) Systemes telephoniques

Country Status (1)

Country Link
CA (1) CA510665A (fr)

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