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发明名称
Improvements in window cleaners
摘要
申请公布号
GB692051(A)
申请公布日期
1953.05.27
申请号
GB19500029968
申请日期
1950.12.07
申请人
JOHN HARALD ALMLOEF
发明人
分类号
A47L1/06
主分类号
A47L1/06
代理机构
代理人
主权项
地址
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