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发明名称
SOUNDPROOF DEVICE OF VACUUM CLEANER
摘要
申请公布号
KR100185086(B1)
申请公布日期
1998.12.22
申请号
KR1019960034850
申请日期
1996.08.22
申请人
发明人
分类号
主分类号
代理机构
代理人
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