CA535557A - Telecommunication exchange systems - Google Patents

Telecommunication exchange systems

Info

Publication number
CA535557A
CA535557A CA535557A CA535557DA CA535557A CA 535557 A CA535557 A CA 535557A CA 535557 A CA535557 A CA 535557A CA 535557D A CA535557D A CA 535557DA CA 535557 A CA535557 A CA 535557A
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
CA535557A
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 CA535557A publication Critical patent/CA535557A/en
Expired legal-status Critical Current

Links

CA535557A Telecommunication exchange systems Expired CA535557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA535557T

Publications (1)

Publication Number Publication Date
CA535557A true CA535557A (en) 1957-01-08

Family

ID=35690185

Family Applications (1)

Application Number Title Priority Date Filing Date
CA535557A Expired CA535557A (en) Telecommunication exchange systems

Country Status (1)

Country Link
CA (1) CA535557A (en)

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