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发明名称
Colored concrete
摘要
申请公布号
US1972207(A)
申请公布日期
1934.09.04
申请号
US19320646876
申请日期
1932.12.12
申请人
TUCKER CHARLES W
发明人
TUCKER CHARLES W.
分类号
C04B28/02
主分类号
C04B28/02
代理机构
代理人
主权项
地址
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