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发明名称
Mop
摘要
申请公布号
US1827523(A)
申请公布日期
1931.10.13
申请号
US19290381593
申请日期
1929.07.27
申请人
HARRY HERTZBERG
发明人
HERTZBERG HARRY
分类号
A47L13/24
主分类号
A47L13/24
代理机构
代理人
主权项
地址
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