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经营范围
发明名称
FINE-GRAIN OXIDE POWDER
摘要
申请公布号
GB9304891(D0)
申请公布日期
1993.04.28
申请号
GB19930004891
申请日期
1993.03.10
申请人
VEITSCHER-MAGNESITWERKE-ACTIEN-GESELLSCHAFT
发明人
分类号
C01B13/14;C01F5/02;C04B35/053;C04B35/628;C09C1/02;C09C3/00
主分类号
C01B13/14
代理机构
代理人
主权项
地址
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