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经营范围
发明名称
Improvements in or relating to sliding sash windows and the like
摘要
申请公布号
GB383707(A)
申请公布日期
1932.11.24
申请号
GB19310027673
申请日期
1931.10.05
申请人
JOHN PARSONS
发明人
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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