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发明名称
VERFAHREN ZUR AUFKONZENTRIERUNG VON EXTRAKTIONSPHOSPHORSAEURE DURCH EINDAMPFUNG
摘要
申请公布号
DD287017(A5)
申请公布日期
1991.02.14
申请号
DD19890331726
申请日期
1989.08.14
申请人
VEB CHEMIEWERK COSWIG,DE
发明人
MAROTZ,GUENTHER,DE;KOELLING,WOLFGANG,DE;WOLFROM,WALTER,DE;RENSCH,WERNER,DE;MUELLER,LOTHAR,DE
分类号
C01B25/234;(IPC1-7):C01B25/234
主分类号
C01B25/234
代理机构
代理人
主权项
地址
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