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发明名称
PRODUCTION OF GYPSUM
摘要
申请公布号
IL52812(A)
申请公布日期
1980.06.30
申请号
IL19770052812
申请日期
1977.08.24
申请人
WEXLER E
发明人
分类号
C01F11/46;(IPC1-7):C01F11/46;C04B11/02
主分类号
C01F11/46
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代理人
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