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发明名称
FREMGANGSMAATE VED FREMSTILLING AV AKTIVT SILICIUMDIOXYD
摘要
申请公布号
NO812201(A)
申请公布日期
1981.12.28
申请号
NO19810002201
申请日期
1981.06.26
申请人
STEIRISCHE MAGNESIT-INDUSTRIE AG,
发明人
MASLO, HEINZ,
分类号
C01B33/12;(IPC1-7):C01B/
主分类号
C01B33/12
代理机构
代理人
主权项
地址
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