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.)
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GTE Communication Systems Corp
Original Assignee
GTE Communication Systems Corp
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Application filed by GTE Communication Systems CorpfiledCriticalGTE Communication Systems Corp
Application grantedgrantedCritical
Publication of CA1223946ApublicationCriticalpatent/CA1223946A/fr
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges
(AREA)
CA000455940A1983-06-221984-06-05Arrangement pour interfacer l'etage espace aux etages temps d'un systeme de commutation numerique temps-espace-temps
ExpiredCA1223946A
(fr)