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经营范围
发明名称
METHOD OF PURIFYING PHOSPHORIC ACID BY EXTRACTION
摘要
申请公布号
PL144358(B1)
申请公布日期
1988.05.31
申请号
PL19850253354
申请日期
1985.05.13
申请人
发明人
分类号
C01B;C01B25/234;(IPC1-7):C01B25/234
主分类号
C01B
代理机构
代理人
主权项
地址
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