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发明名称
Floor construction
摘要
申请公布号
US1933394(A)
申请公布日期
1933.10.31
申请号
US19310554531
申请日期
1931.08.01
申请人
BELMONT IRON WORKS
发明人
SHRYOCK JOSEPH G.
分类号
E04B5/10
主分类号
E04B5/10
代理机构
代理人
主权项
地址
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