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发明名称
Apparatus for treating concrete
摘要
申请公布号
US2798278(A)
申请公布日期
1957.07.09
申请号
US19530332685
申请日期
1953.01.22
申请人
AMANDUS JOHNSON JOHN GUNNAR
发明人
JOHNSON JOHN GUNNAR AMANDUS
分类号
B28B1/08
主分类号
B28B1/08
代理机构
代理人
主权项
地址
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