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经营范围
发明名称
Procédé de fabrication du ciment fondu et produits résultants
摘要
申请公布号
FR680762(A)
申请公布日期
1930.05.06
申请号
FRD680762
申请日期
1929.08.24
申请人
发明人
LEVY ROBERT-ITHAMAR
分类号
C04B7/47
主分类号
C04B7/47
代理机构
代理人
主权项
地址
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