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发明名称
摘要
申请公布号
FR2255397(B1)
申请公布日期
1980.11.07
申请号
FR19740042318
申请日期
1974.12.20
申请人
HOECHST AG
发明人
分类号
C25F5/00;(IPC1-7):C25F1/06
主分类号
C25F5/00
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