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经营范围
发明名称
TRAITEMENT DU CARBONATE DE CALCIUM
摘要
申请公布号
BE783137(A1)
申请公布日期
1972.09.01
申请号
BE19720783137
申请日期
1972.05.05
申请人
ENGLISH CLAYS LOVERING POCHIN + CY LTD, JOHN KEAY HOUSE, ST. AUSTELL, CORNWALL (GR.-BR.),
发明人
分类号
C01F11/18;(IPC1-7):C01F/
主分类号
C01F11/18
代理机构
代理人
主权项
地址
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