PROCESS FOR IMPROVING COLOR OF PHOSPHORIC ACID,申请号GB19690029468-传众专利搜索

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发明名称	PROCESS FOR IMPROVING COLOR OF PHOSPHORIC ACID
摘要
申请公布号	GB1215664(A)	申请公布日期	1970.12.16
申请号	GB19690029468	申请日期	1969.06.10
申请人	FREEPORT SULPHUR COMPANY	发明人
分类号	C01B25/22;C01B25/235	主分类号	C01B25/22
代理机构		代理人
主权项
地址

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