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发明名称
Procédé de préparation de ciments et produits réfractaires
摘要
申请公布号
FR945311(A)
申请公布日期
1949.05.02
申请号
FRD945311
申请日期
1947.04.18
申请人
UNION CHIMIQUE BELGE S. A.
发明人
分类号
B22C1/20;C04B33/13
主分类号
B22C1/20
代理机构
代理人
主权项
地址
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