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发明名称
摘要
申请公布号
FR2077385(A1)
申请公布日期
1971.10.22
申请号
FR19710002859
申请日期
1971.01.28
申请人
BAYER AG
发明人
分类号
C09B1/50;C09B1/58;D06P1/90;(IPC1-7):D06P1/00;C09B1/00
主分类号
C09B1/50
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