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发明名称
Floor construction
摘要
申请公布号
US2404471(A)
申请公布日期
1946.07.23
申请号
US19450576116
申请日期
1945.02.03
申请人
CARSON ROBERT H
发明人
CARSON ROBERT H.
分类号
E04B5/14
主分类号
E04B5/14
代理机构
代理人
主权项
地址
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