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发明名称
Improvements in floor polishing and/or waxing devices
摘要
申请公布号
GB380098(A)
申请公布日期
1932.09.12
申请号
GB19310007702
申请日期
1931.03.12
申请人
JOHN KAUFMANN
发明人
分类号
A47L13/312
主分类号
A47L13/312
代理机构
代理人
主权项
地址
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