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发明名称
Skylight construction
摘要
申请公布号
US1812009(A)
申请公布日期
1931.06.30
申请号
US19280282625
申请日期
1928.06.04
申请人
LENKE GEORGE H
发明人
LENKE GEORGE H.
分类号
E04D3/08
主分类号
E04D3/08
代理机构
代理人
主权项
地址
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