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发明名称
Automatic water mop and polisher
摘要
申请公布号
US2253673(A)
申请公布日期
1941.08.26
申请号
US19390291821
申请日期
1939.08.25
申请人
ANDERSON ARVID E
发明人
ANDERSON ARVID E.
分类号
A46B11/06
主分类号
A46B11/06
代理机构
代理人
主权项
地址
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