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发明名称
Self-operating draught excluder for doors or the like
摘要
申请公布号
GB562627(A)
申请公布日期
1944.07.10
申请号
GB19430001176
申请日期
1943.01.23
申请人
FREDERICK CHARLES WYNNE
发明人
分类号
E06B7/20
主分类号
E06B7/20
代理机构
代理人
主权项
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