ELECTRIC SUCTION CLEANER,申请号USD3609946-传众专利搜索

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发明名称	ELECTRIC SUCTION CLEANER
摘要
申请公布号	US3609946(A)	申请公布日期	1971.10.05
申请号	USD3609946	申请日期	1968.06.28
申请人	HITACHI LTD.	发明人	HISASHI NAKAGAWA;HAJIME MIZUNO;HIDEYA KOSHIYAMA;GORO SASAI
分类号	A47L9/12;(IPC1-7):A47L9/14	主分类号	A47L9/12
代理机构		代理人
主权项
地址

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