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经营范围
发明名称
Metal frame for window screens and the like
摘要
申请公布号
US2504602(A)
申请公布日期
1950.04.18
申请号
US19470768180
申请日期
1947.08.12
申请人
GEORGE STEINGRUBER
发明人
STEINGRUBER GEORGE
分类号
E06B9/52
主分类号
E06B9/52
代理机构
代理人
主权项
地址
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