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经营范围
发明名称
VACUUM CLEANER
摘要
申请公布号
JPS55120837(A)
申请公布日期
1980.09.17
申请号
JP19790029735
申请日期
1979.03.12
申请人
HITACHI LTD
发明人
YOKOYAMA AKIYOSHI;SAGAWA KOUICHI
分类号
A47L9/20
主分类号
A47L9/20
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