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发明名称
Method of making high silica cement
摘要
申请公布号
US2079796(A)
申请公布日期
1937.05.11
申请号
US19350027651
申请日期
1935.06.21
申请人
FINKELDEY FRITZ A B
发明人
FINKELDEY FRITZ A. B.
分类号
C04B7/00
主分类号
C04B7/00
代理机构
代理人
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