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发明名称
Ventilating building structure
摘要
申请公布号
US2200031(A)
申请公布日期
1940.05.07
申请号
US19380230712
申请日期
1938.09.19
申请人
LEE MOSES G
发明人
LEE MOSES G.
分类号
E04D13/152;E04D13/17;F24F7/02
主分类号
E04D13/152
代理机构
代理人
主权项
地址
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