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发明名称
Improvements in or relating to a method for treating calcium sulphate pigments
摘要
申请公布号
GB744559(A)
申请公布日期
1956.02.08
申请号
GB19530026640
申请日期
1953.09.28
申请人
NATIONAL LEAD COMPANY
发明人
分类号
C09C1/02
主分类号
C09C1/02
代理机构
代理人
主权项
地址
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