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发明名称
Draught excluder
摘要
申请公布号
GB918719(A)
申请公布日期
1963.02.20
申请号
GB19610017035
申请日期
1961.05.10
申请人
HENRY CLARENCE STRINGER
发明人
分类号
E06B7/205
主分类号
E06B7/205
代理机构
代理人
主权项
地址
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