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发明名称
Improvements in or relating to windows and to frames therefor
摘要
申请公布号
GB454934(A)
申请公布日期
1936.10.06
申请号
GB19350010738
申请日期
1935.04.06
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
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