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经营范围
发明名称
A mechanically-operated draught excluder for attachment to the bottom of a door or the like
摘要
申请公布号
GB386110(A)
申请公布日期
1933.01.12
申请号
GB19310035734
申请日期
1931.12.24
申请人
WILLIAM ROBERT ELLDRED
发明人
分类号
E06B7/20
主分类号
E06B7/20
代理机构
代理人
主权项
地址
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