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发明名称
Building construction
摘要
申请公布号
US1872984(A)
申请公布日期
1932.08.23
申请号
US19280263306
申请日期
1928.03.21
申请人
MARY HAINES MARKS
发明人
LAND GEORGE E.
分类号
E04B5/40
主分类号
E04B5/40
代理机构
代理人
主权项
地址
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