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发明名称
Process for increasing the solidity of concrete
摘要
申请公布号
GB374716(A)
申请公布日期
1932.06.16
申请号
GB19310025203
申请日期
1931.09.08
申请人
CONRAD GROSSMANN
发明人
分类号
C04B40/00
主分类号
C04B40/00
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代理人
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