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发明名称
DISTRIBUTED RESPONSE SYSTEM
摘要
申请公布号
JPH02295331(A)
申请公布日期
1990.12.06
申请号
JP19890117732
申请日期
1989.05.10
申请人
NEC ENG LTD
发明人
MUSHIAKI YUJI
分类号
H04M3/36;H04M3/42;H04M3/533;H04Q3/58;H04Q3/66
主分类号
H04M3/36
代理机构
代理人
主权项
地址
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