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发明名称
REMOVAL OF IMPURITIES FROM GYPSUM USED IN THE PRODUCTION OF PLASTER
摘要
申请公布号
GB1506064(A)
申请公布日期
1978.04.05
申请号
GB19760016371
申请日期
1976.04.22
申请人
RHONE POULENC IND
发明人
分类号
C01F11/46;C04B11/26;(IPC1-7):C01F11/46;C04B11/02
主分类号
C01F11/46
代理机构
代理人
主权项
地址
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