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发明名称
Window cleaner
摘要
申请公布号
US2686968(A)
申请公布日期
1954.08.24
申请号
US19500145118
申请日期
1950.02.20
申请人
HARALD ALMLOF JOHN
发明人
ALMLOF JOHN HARALD
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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