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发明名称
Skylight
摘要
申请公布号
US1921303(A)
申请公布日期
1933.08.08
申请号
US19310579366
申请日期
1931.12.07
申请人
SUPER-STEEL PRODUCTS COMPANY
发明人
RASCHKA CHARLES
分类号
E04B7/06;E04D3/08
主分类号
E04B7/06
代理机构
代理人
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地址
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