Preventing precipitation of metallic compounds from solution,申请号US19390269417-传众专利搜索

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发明名称	Preventing precipitation of metallic compounds from solution
摘要
申请公布号	US2304791(A)	申请公布日期	1942.12.15
申请号	US19390269417	申请日期	1939.04.22
申请人	HALL LABORATORIES, INC.	发明人	BELL EDWARD B.
分类号	D01C5/00	主分类号	D01C5/00
代理机构		代理人
主权项
地址

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