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发明名称
Building structure
摘要
申请公布号
US1860399(A)
申请公布日期
1932.05.31
申请号
US19310554218
申请日期
1931.07.31
申请人
VENZIE FREDERICK M
发明人
VENZIE FREDERICK M.
分类号
E04F13/04
主分类号
E04F13/04
代理机构
代理人
主权项
地址
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