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发明名称
Machine for making concrete blocks
摘要
申请公布号
US2589115(A)
申请公布日期
1952.03.11
申请号
US19480063812
申请日期
1948.12.06
申请人
FRED NETH
发明人
NELSON RUSSELL B.;DAVIES MILES;NETH FRED
分类号
B28B3/02
主分类号
B28B3/02
代理机构
代理人
主权项
地址
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