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发明名称
摘要
申请公布号
PL151964(B2)
申请公布日期
1990.10.31
申请号
PL19870266084
申请日期
1987.06.03
申请人
发明人
分类号
C09K;C09K3/10;F16J15/00;(IPC1-7):C09K3/10
主分类号
C09K
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