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发明名称
Building construction
摘要
申请公布号
US2042438(A)
申请公布日期
1936.05.26
申请号
US19340727092
申请日期
1934.05.23
申请人
WILLIAM WELLS DON
发明人
WELLS DON WILLIAM
分类号
E04B2/84
主分类号
E04B2/84
代理机构
代理人
主权项
地址
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