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发明名称
Manually manipulated surface cleaning device
摘要
申请公布号
US3049745(A)
申请公布日期
1962.08.21
申请号
US19600036357
申请日期
1960.06.15
申请人
MARVIN LAMBERS
发明人
LAMBERS MARVIN
分类号
A47L13/22
主分类号
A47L13/22
代理机构
代理人
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