Watch cleaning machine,申请号US19310564230-传众专利搜索

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发明名称	Watch cleaning machine
摘要
申请公布号	US1879441(A)	申请公布日期	1932.09.27
申请号	US19310564230	申请日期	1931.09.21
申请人	OLSON RAYMOND R	发明人	OLSON RAYMOND R.
分类号	G04D3/08	主分类号	G04D3/08
代理机构		代理人
主权项
地址

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