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发明名称
AUTOMATIC BUSY CONNECTION CONTROL SYSTEM
摘要
申请公布号
JPH03173262(A)
申请公布日期
1991.07.26
申请号
JP19890312478
申请日期
1989.12.01
申请人
NEC CORP;NEC ENG LTD
发明人
MIYAUCHI TATSUYA;FUKUTOME YOSHIMI
分类号
H04M3/48
主分类号
H04M3/48
代理机构
代理人
主权项
地址
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