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经营范围
发明名称
Metal frame for windows and doors
摘要
申请公布号
GB822258(A)
申请公布日期
1959.10.21
申请号
GB19580004591
申请日期
1958.02.12
申请人
ELTREVA A.G.
发明人
分类号
E06B3/263
主分类号
E06B3/263
代理机构
代理人
主权项
地址
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