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发明名称
Improvements relating to the treatment of carbonised clays and of refractory units prepared from such clays
摘要
申请公布号
GB330745(A)
申请公布日期
1930.06.19
申请号
GB19290016030
申请日期
1929.05.24
申请人
WALTER MCBRYDE
发明人
分类号
C04B33/34
主分类号
C04B33/34
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