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发明名称
HYDRAULIC CEMENT
摘要
申请公布号
CA348074(A)
申请公布日期
1935.02.05
申请号
CAD348074
申请日期
申请人
F. L. SMIDTH AND CO.
发明人
KNUD FOLKE;HENNING HANSEN
分类号
主分类号
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代理人
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