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发明名称
Cleaning device for attachment to suction apparatus
摘要
申请公布号
GB944814(A)
申请公布日期
1963.12.18
申请号
GB19610004405
申请日期
1961.02.06
申请人
RICHARD KRAMER
发明人
分类号
A47L9/04
主分类号
A47L9/04
代理机构
代理人
主权项
地址
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