CA535173A - Automatic telecommunication exchange systems - Google Patents

Automatic telecommunication exchange systems

Info

Publication number
CA535173A
CA535173A CA535173A CA535173DA CA535173A CA 535173 A CA535173 A CA 535173A CA 535173 A CA535173 A CA 535173A CA 535173D A CA535173D A CA 535173DA CA 535173 A CA535173 A CA 535173A
Authority
CA
Canada
Prior art keywords
exchange systems
telecommunication exchange
automatic telecommunication
automatic
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
CA535173A
Other languages
French (fr)
Inventor
Den Hertog Martinus
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 CA535173A publication Critical patent/CA535173A/en
Expired legal-status Critical Current

Links

CA535173A Automatic telecommunication exchange systems Expired CA535173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA535173T

Publications (1)

Publication Number Publication Date
CA535173A true CA535173A (en) 1957-01-01

Family

ID=35689800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA535173A Expired CA535173A (en) Automatic telecommunication exchange systems

Country Status (1)

Country Link
CA (1) CA535173A (en)

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