Breaking down of metals,申请号US19290343250-传众专利搜索

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发明名称	Breaking down of metals
摘要
申请公布号	US1874253(A)	申请公布日期	1932.08.30
申请号	US19290343250	申请日期	1929.02.27
申请人	DICKSON VINCENT L	发明人	DICKSON VINCENT L.
分类号	B22F9/00	主分类号	B22F9/00
代理机构		代理人
主权项
地址

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