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经营范围
发明名称
Improvements in or relating to sliding sash windows
摘要
申请公布号
GB688077(A)
申请公布日期
1953.02.25
申请号
GB19500027897
申请日期
1950.11.15
申请人
SHARP BROS. & KNIGHT LIMITED
发明人
KELLEY RICHARD GEORGE EDWIN
分类号
E06B3/50
主分类号
E06B3/50
代理机构
代理人
主权项
地址
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