Machine for recovering precious metals,申请号US19280315266-传众专利搜索

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发明名称	Machine for recovering precious metals
摘要
申请公布号	US1748562(A)	申请公布日期	1930.02.25
申请号	US19280315266	申请日期	1928.10.26
申请人	JOHN C. HAMILTON	发明人	SMITH JAMES M.
分类号	B03B5/26	主分类号	B03B5/26
代理机构		代理人
主权项
地址

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