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发明名称
Oil mop
摘要
申请公布号
US1950674(A)
申请公布日期
1934.03.13
申请号
US19320644262
申请日期
1932.11.25
申请人
HARRY HERTZBERG
发明人
HERTZBERG HARRY
分类号
A47L13/255
主分类号
A47L13/255
代理机构
代理人
主权项
地址
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