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发明名称
Improvements in and relating to a cleaning device or material for windows, silver and other articles
摘要
申请公布号
GB403962(A)
申请公布日期
1934.01.01
申请号
GB19320018510
申请日期
1932.06.30
申请人
DOROTHY HAWKSBY
发明人
分类号
C11D17/04
主分类号
C11D17/04
代理机构
代理人
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