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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NEC Corp
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NEC Corp
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Publication date
Application filed by NEC CorpfiledCriticalNEC Corp
Priority to JP10386187UpriorityCriticalpatent/JPH073702Y2/ja
Publication of JPS6411039UpublicationCriticalpatent/JPS6411039U/ja
Application grantedgrantedCritical
Publication of JPH073702Y2publicationCriticalpatent/JPH073702Y2/ja
Circuit arrangement for telecommunication exchanges, especially pcm time division multiplex telephone exchanges, with decentralized switching stages connected to a centralized switching network