Composition of matter for use in metallurgical operations,申请号US19280275265-传众专利搜索

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发明名称	Composition of matter for use in metallurgical operations
摘要
申请公布号	US1848323(A)	申请公布日期	1932.03.08
申请号	US19280275265	申请日期	1928.05.04
申请人	VAIL DAVIES EDITH	发明人	DAVIES EDITH VAIL
分类号	C21C7/00	主分类号	C21C7/00
代理机构		代理人
主权项
地址

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