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经营范围
发明名称
VACUUM CLEANER
摘要
申请公布号
GB1504063(A)
申请公布日期
1978.03.15
申请号
GB19760001044
申请日期
1976.01.12
申请人
HITACHI LTD
发明人
分类号
H01J37/317;A47L9/20;A47L9/26;H01L21/265;(IPC1-7):A47L9/20;A47L5/22;A47L9/10;B65H75/42
主分类号
H01J37/317
代理机构
代理人
主权项
地址
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