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发明名称
Improvements in or relating to windows
摘要
申请公布号
GB362611(A)
申请公布日期
1931.12.10
申请号
GB19300033088
申请日期
1930.11.04
申请人
CHARLES OGDEN
发明人
分类号
E06B3/50
主分类号
E06B3/50
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代理人
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