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发明名称
Building structure
摘要
申请公布号
US1845772(A)
申请公布日期
1932.02.16
申请号
US19290390464
申请日期
1929.09.05
申请人
VENZIE FREDERICK M
发明人
VENZIE FREDERICK M.
分类号
E04B9/04
主分类号
E04B9/04
代理机构
代理人
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地址
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