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发明名称
INSTRUMENT FOR CLOSING UP OF VACUUM CLEANER WITH SIMULTANEOUS PROTECTION AGAINST DUST CLOGGING
摘要
申请公布号
CS206931(B1)
申请公布日期
1981.07.31
申请号
CS19790006027
申请日期
1979.09.06
申请人
BERAN,JAROMIR,CS;ZOUDLIK,JOSEF,CS
发明人
BERAN,JAROMIR,CS;ZOUDLIK,JOSEF,CS
分类号
A47L9/14;(IPC1-7):A47L9/14
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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