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发明名称
VACUUM CLEANER WITH INTERLOCKED PAPER FILTER BAG COVER
摘要
申请公布号
PL143543(B1)
申请公布日期
1988.02.29
申请号
PL19840250790
申请日期
1984.12.07
申请人
发明人
分类号
A47L;A47L9/14;(IPC1-7):A47L9/14
主分类号
A47L
代理机构
代理人
主权项
地址
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