Purifying crude silicon,申请号US19550535294-传众专利搜索

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发明名称	Purifying crude silicon
摘要
申请公布号	US2937929(A)	申请公布日期	1960.05.24
申请号	US19550535294	申请日期	1955.09.19
申请人	LONZA ELECTRIC AND CHEMICAL WORKS LIMITED	发明人	VOOS WALTER
分类号	C01B33/037	主分类号	C01B33/037
代理机构		代理人
主权项
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