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发明名称
PROCESS FOR CONCENTRATING DILUTE PHOSPHORIC ACID
摘要
申请公布号
GB1589945(A)
申请公布日期
1981.05.20
申请号
GB19770051891
申请日期
1977.12.13
申请人
METALLGESELLSCHAFT AG
发明人
分类号
C01B17/765;C01B25/234;C01B25/237;C01B33/10;(IPC1-7):C01B25/23
主分类号
C01B17/765
代理机构
代理人
主权项
地址
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