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经营范围
发明名称
Sheet metal roofing
摘要
申请公布号
US2408557(A)
申请公布日期
1946.10.01
申请号
US19450573519
申请日期
1945.01.19
申请人
HUNTINGTON GLEN H
发明人
HUNTINGTON GLEN H.
分类号
E04D3/366
主分类号
E04D3/366
代理机构
代理人
主权项
地址
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