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发明名称
Improvements in or relating to alumina-silica pigments and their preparation
摘要
申请公布号
GB805494(A)
申请公布日期
1958.12.10
申请号
GB19550010464
申请日期
1955.04.12
申请人
COLUMBIA - SOUTHERN CHEMICAL CORPORATION
发明人
ALLEN EDWARD MERLE
分类号
C09C1/40
主分类号
C09C1/40
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代理人
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