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发明名称
Concrete curing agent
摘要
申请公布号
US1859253(A)
申请公布日期
1932.05.17
申请号
US19290377329
申请日期
1929.07.10
申请人
SILICA PRODUCTS COMPANY
发明人
CROSS ROY
分类号
C04B40/04
主分类号
C04B40/04
代理机构
代理人
主权项
地址
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