This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

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dialingUS4823342 *Feb 9, 1987Apr 18, 1989Hitachi, Ltd.Time division exchange system having functions of compressing and expanding informationUS4837827 *Jun 20, 1985Jun 6, 1989Siemens AktiengesellschaftMethod for transmitting two independent types of information and device for implementing the methodUS4837858 *Apr 30, 1987Jun 6, 1989Motorola, Inc.Subscriber unit for a trunked voice/data communicati
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