An improved apparatus for controlling the ph value of liquids,申请号GB19440015992-传众专利搜索

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发明名称	An improved apparatus for controlling the ph value of liquids
摘要
申请公布号	GB599911(A)	申请公布日期	1948.03.24
申请号	GB19440015992	申请日期	1944.08.22
申请人	WILLIAM BOBY & COMPANY LIMITED;JOHN JAMES EDWARD SCOWEN	发明人
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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