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发明名称
Improvements in nozzles for suction cleaners
摘要
申请公布号
GB638009(A)
申请公布日期
1950.05.31
申请号
GB19470006011
申请日期
1947.03.03
申请人
ARNOLD HENRY BEEDE
发明人
分类号
A47L9/02
主分类号
A47L9/02
代理机构
代理人
主权项
地址
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