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发明名称
HYDROFOBERINGSMIDDEL TIL OPBLAEREDE MINERALER
摘要
申请公布号
DK20381(A)
申请公布日期
1981.07.20
申请号
DK19810000203
申请日期
1981.01.16
申请人
HOECHST AG
发明人
MAY A;VOETZ F J;GERL A
分类号
C04B20/10;C04B41/46;(IPC1-7):C04B/
主分类号
C04B20/10
代理机构
代理人
主权项
地址
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