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发明名称
Improvements in and relating to rotary cleaning apparatus
摘要
申请公布号
GB332014(A)
申请公布日期
1930.07.17
申请号
GB19290017613
申请日期
1929.06.07
申请人
MARION HENRY BISSELL
发明人
分类号
A47L11/38
主分类号
A47L11/38
代理机构
代理人
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