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发明名称
Light floor construction for skyscrapers
摘要
申请公布号
US1863258(A)
申请公布日期
1932.06.14
申请号
US19300496961
申请日期
1930.11.20
申请人
TASHJIAN ARMEN H
发明人
TASHJIAN ARMEN H.
分类号
E04B5/40
主分类号
E04B5/40
代理机构
代理人
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地址
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