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经营范围
发明名称
MESSAGE RETRIEVAL SYSTEM
摘要
申请公布号
GB8500966(D0)
申请公布日期
1985.02.20
申请号
GB19850000966
申请日期
1985.01.15
申请人
THEIS, P F
发明人
分类号
H04M3/51;H04M3/523;H04M11/10
主分类号
H04M3/51
代理机构
代理人
主权项
地址
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