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发明名称
PROCESS FOR PRODUCING A STRUCTURAL CONCRETE BLOCK
摘要
申请公布号
US3821347(A)
申请公布日期
1974.06.28
申请号
US19730332753
申请日期
1973.02.15
申请人
KATOH R,JA
发明人
KATOH R,JA
分类号
B28B11/08;B28B11/12;(IPC1-7):B28B11/12;B28B11/18
主分类号
B28B11/08
代理机构
代理人
主权项
地址
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