Indicator for suction cleaners,申请号US19360102897-传众专利搜索

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发明名称	Indicator for suction cleaners
摘要
申请公布号	US2159112(A)	申请公布日期	1939.05.23
申请号	US19360102897	申请日期	1936.09.28
申请人	THE HOOVER COMPANY	发明人	WHITE HARRY B.
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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