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发明名称
DUST REMOVING DEVICE IN VACUUM CLEANER
摘要
申请公布号
JPS5498051(A)
申请公布日期
1979.08.02
申请号
JP19780003388
申请日期
1978.01.18
申请人
HITACHI LTD
发明人
SAGAWA KOUICHI
分类号
A47L9/20
主分类号
A47L9/20
代理机构
代理人
主权项
地址
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