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经营范围
发明名称
Herstellung hochvoluminoeser Kieselsaeure
摘要
申请公布号
DE491388(C)
申请公布日期
1930.02.12
申请号
DE1925C037624D
申请日期
1925.12.22
申请人
DR. KURT LINDNER
发明人
分类号
C01B33/193
主分类号
C01B33/193
代理机构
代理人
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地址
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