Indicating and control apparatus for electrolyte concentration and the like,申请号US19540459020-传众专利搜索

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发明名称	Indicating and control apparatus for electrolyte concentration and the like
摘要
申请公布号	US2897436(A)	申请公布日期	1959.07.28
申请号	US19540459020	申请日期	1954.09.29
申请人	AMCHEM PRODUCTS, INC.	发明人	DOUTY ALFRED
分类号	G05D21/02	主分类号	G05D21/02
代理机构		代理人
主权项
地址

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