ALARM DEVICE FOR STUFFY FILTER OF VACUUM CLEANER,申请号KR19890004851U-传众专利搜索

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发明名称	ALARM DEVICE FOR STUFFY FILTER OF VACUUM CLEANER
摘要
申请公布号	KR930007018(Y1)	申请公布日期	1993.10.11
申请号	KR19890004851U	申请日期	1989.04.20
申请人	DAEWOO ELECTRONICS CO., LTD.	发明人	OM, DAE - YONG
分类号	A47L9/19;(IPC1-7):A47L9/19	主分类号	A47L9/19
代理机构		代理人
主权项
地址

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