CA515244A - Telecommunication exchange systems - Google Patents

Telecommunication exchange systems

Info

Publication number
CA515244A
CA515244A CA515244A CA515244DA CA515244A CA 515244 A CA515244 A CA 515244A CA 515244 A CA515244 A CA 515244A CA 515244D A CA515244D A CA 515244DA CA 515244 A CA515244 A CA 515244A
Authority
CA
Canada
Prior art keywords
exchange systems
telecommunication exchange
telecommunication
systems
exchange
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
CA515244A
Other languages
French (fr)
Inventor
P. Goodwin Wright Esmond
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA515244A publication Critical patent/CA515244A/en
Expired legal-status Critical Current

Links

CA515244A Telecommunication exchange systems Expired CA515244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA515244T

Publications (1)

Publication Number Publication Date
CA515244A true CA515244A (en) 1955-08-02

Family

ID=35666335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA515244A Expired CA515244A (en) Telecommunication exchange systems

Country Status (1)

Country Link
CA (1) CA515244A (en)

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