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发明名称
METHOD OF UPGRADING PHOSPHORIC ACID
摘要
申请公布号
EP0394748(A3)
申请公布日期
1991.07.03
申请号
EP19900106862
申请日期
1990.04.10
申请人
HOECHST AKTIENGESELLSCHAFT
发明人
BETTERMANN, GERHARD, DR.;SCHIMMEL, GUENTHER, DR.;TIEDEMANN, JENS, DR.
分类号
C01B25/027;C01B25/18;C01B25/238;C01B25/24;(IPC1-7):C01B25/16
主分类号
C01B25/027
代理机构
代理人
主权项
地址
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