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发明名称
Cement product and method of making the same
摘要
申请公布号
US1947504(A)
申请公布日期
1934.02.20
申请号
US19310531639
申请日期
1931.04.20
申请人
RIVERSIDE CEMENT COMPANY
发明人
STARKE HOWARD R.
分类号
C04B24/08
主分类号
C04B24/08
代理机构
代理人
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