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发明名称
IMPROVEMENTS RELATING TO VACUUM CLEANER NOZZLES
摘要
申请公布号
GB8802748(D0)
申请公布日期
1988.03.09
申请号
GB19880002748
申请日期
1988.02.06
申请人
WESSEL-WERK GMBH
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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