Cleaner,申请号US19330661907-传众专利搜索

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发明名称	Cleaner
摘要
申请公布号	US2011975(A)	申请公布日期	1935.08.20
申请号	US19330661907	申请日期	1933.03.21
申请人	JOHNSON WILLIAM S	发明人	JOHNSON WILLIAM S.
分类号	A47L13/257	主分类号	A47L13/257
代理机构		代理人
主权项
地址

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