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发明名称
Machine for molding concrete blocks
摘要
申请公布号
US2572830(A)
申请公布日期
1951.10.30
申请号
US19490093976
申请日期
1949.05.18
申请人
APPLEBY FREDERICK T
发明人
APPLEBY FREDERICK T.
分类号
B28B1/04;B28B1/10;B28B7/10
主分类号
B28B1/04
代理机构
代理人
主权项
地址
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