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经营范围
发明名称
Cement manufacture
摘要
申请公布号
US2426147(A)
申请公布日期
1947.08.19
申请号
US19450572095
申请日期
1945.01.09
申请人
F. L. SMIDTH & CO.
发明人
HORN KNUD
分类号
C04B7/04
主分类号
C04B7/04
代理机构
代理人
主权项
地址
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