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发明名称
Improved weather-excluding means for metal windows
摘要
申请公布号
GB346163(A)
申请公布日期
1931.04.09
申请号
GB19300010803
申请日期
1930.04.04
申请人
JOHN FRANCIS RUTH
发明人
分类号
E06B7/232
主分类号
E06B7/232
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代理人
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