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发明名称
Building unit machine
摘要
申请公布号
US2269955(A)
申请公布日期
1942.01.13
申请号
US19400353198
申请日期
1940.08.19
申请人
HAMLIN F. ANDRUS;LOUIS GELBMAN
发明人
OLSEN EUGENE F.
分类号
B28B1/087
主分类号
B28B1/087
代理机构
代理人
主权项
地址
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