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发明名称
Draught-excluder device for doors and hinged windows
摘要
申请公布号
GB477261(A)
申请公布日期
1937.12.24
申请号
GB19370017133
申请日期
1937.06.19
申请人
ANGUS FRASER KIRKCALDY
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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