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发明名称
Improvements in or relating to methods of treating calcium carbonate powders
摘要
申请公布号
GB796375(A)
申请公布日期
1958.06.11
申请号
GB19560002687
申请日期
1956.01.27
申请人
PRODUITS CHIMIQUES ET MINERAUX
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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