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经营范围
发明名称
PURIFICATION OF PHOSPHORIC ACID
摘要
申请公布号
EG11808(A)
申请公布日期
1978.09.30
申请号
EG19750000359
申请日期
1975.06.25
申请人
HOECHST AG
发明人
EHLERS K;WOJTECH B;SCHEIBITZ W
分类号
C01B25/234;C01B25/18;C01B25/46;(IPC1-7):C01B25/22
主分类号
C01B25/234
代理机构
代理人
主权项
地址
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