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发明名称
Verfahren zur Herstellung kolloider Kieselsaeureloesungen
摘要
申请公布号
DE746573(C)
申请公布日期
1944.08.12
申请号
DE1942H170154D
申请日期
1942.12.04
申请人
GEBR. HERRMANN
发明人
STAUBER DR. MAX
分类号
C01B33/143
主分类号
C01B33/143
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代理人
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