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发明名称
Portable hand-operated floor polishing machines
摘要
申请公布号
GB327866(A)
申请公布日期
1930.04.17
申请号
GB19290012139
申请日期
1929.04.19
申请人
JAMES ROBERT SIMPSON
发明人
分类号
A47L13/30
主分类号
A47L13/30
代理机构
代理人
主权项
地址
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