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发明名称
SUBSCRIBER CALL SYSTEM
摘要
申请公布号
JPH0568097(A)
申请公布日期
1993.03.19
申请号
JP19910227622
申请日期
1991.09.09
申请人
NEC CORP
发明人
INOUE JIRO
分类号
H04M3/42;H04M3/533
主分类号
H04M3/42
代理机构
代理人
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地址
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