发明名称 SERVICE SYSTEM FOR MULTIPLEEADDRESS TYPE INFORMATION
摘要 PURPOSE:To improve the efficiency in use of the circuit by shortening the required time until the completion of the multiple-address-type information service by previously storing subscriber's terminal numbers within the area at every exchange.
申请公布号 JPS53135207(A) 申请公布日期 1978.11.25
申请号 JP19770050082 申请日期 1977.04.30
申请人 TOKYO SHIBAURA ELECTRIC CO 发明人 KAWASHIMA TOSHIHIDE
分类号 H04M3/00;H04M3/42 主分类号 H04M3/00
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