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经营范围
发明名称
SAFETY DEVICE OF AIR CLEANER
摘要
申请公布号
KR930000530(Y1)
申请公布日期
1993.02.10
申请号
KR19900014541U
申请日期
1990.09.20
申请人
CHOE, SONG - U
发明人
CHOE, SONG - U
分类号
B03C3/68;(IPC1-7):B03C3/68
主分类号
B03C3/68
代理机构
代理人
主权项
地址
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