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发明名称
PREPARATION OF FINELY-DIVIDED REFRACTORY POWDERS
摘要
申请公布号
GB1473513(A)
申请公布日期
1977.05.11
申请号
GB19740019036
申请日期
1974.05.01
申请人
PPG IND INC
发明人
分类号
C01G1/00;C01B17/20;C01B21/06;C01B21/064;C01B21/068;C01B21/076;C01B31/30;C01B33/00;C01B33/06;C01B35/04;(IPC1-7):C01B31/30;C01G23/00
主分类号
C01G1/00
代理机构
代理人
主权项
地址
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