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发明名称
COLLECTED DUST QUANTITY DISPLAYING DEVICE FOR VACUUM CLEANER
摘要
申请公布号
JPH03264029(A)
申请公布日期
1991.11.25
申请号
JP19900063189
申请日期
1990.03.14
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
HIRANO AKIHIRO;KITAMURA SHUSUKE;MIYOSHI MOTOI
分类号
A47L9/19
主分类号
A47L9/19
代理机构
代理人
主权项
地址
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