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经营范围
发明名称
Window frame and sash construction
摘要
申请公布号
US2113959(A)
申请公布日期
1938.04.12
申请号
US19350013602
申请日期
1935.03.29
申请人
CAMPBELL METAL WINDOW CORPORATION
发明人
CAMPBELL HARRY E.
分类号
E06B3/44
主分类号
E06B3/44
代理机构
代理人
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地址
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