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发明名称
Building construction
摘要
申请公布号
US2365145(A)
申请公布日期
1944.12.12
申请号
US19410386726
申请日期
1941.04.03
申请人
WALLACE NEFF
发明人
NEFF WALLACE
分类号
E04B1/32
主分类号
E04B1/32
代理机构
代理人
主权项
地址
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