Apparatus for proportioning metaphosphate to a liquid,申请号US19480010774-传众专利搜索

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发明名称	Apparatus for proportioning metaphosphate to a liquid
摘要
申请公布号	US2532973(A)	申请公布日期	1950.12.05
申请号	US19480010774	申请日期	1948.02.25
申请人	HENNING WALLENTIN AKE;HEIMER VESTERLUND JOHAN	发明人	WALLENTIN AKE HENNING;VESTERLUND JOHAN HEIMER
分类号	C02F1/68	主分类号	C02F1/68
代理机构		代理人
主权项
地址

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