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发明名称
Building construction
摘要
申请公布号
US2150606(A)
申请公布日期
1939.03.14
申请号
US19370134782
申请日期
1937.04.03
申请人
MCLELLAN STEEL DEVELOPMENT CORPORATION
发明人
MCLELLAN ARTHUR M.
分类号
E04B1/16
主分类号
E04B1/16
代理机构
代理人
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地址
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