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发明名称
IMPROVEMENTS IN DUST COLLECTION
摘要
申请公布号
GB9204376(D0)
申请公布日期
1992.04.08
申请号
GB19920004376
申请日期
1992.02.28
申请人
BLACK & DECKER
发明人
分类号
B24B31/12;D01H11/00
主分类号
B24B31/12
代理机构
代理人
主权项
地址
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