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发明名称
Process for removing impurities from by-product gypsum
摘要
申请公布号
US3326633(A)
申请公布日期
1967.06.20
申请号
US19630282508
申请日期
1963.05.22
申请人
CAROTHERS JOHN N;HURKA JR RUDOLPH J
发明人
CAROTHERS JOHN N.;JR. RUDOLPH J. HURKA,
分类号
C01B9/08;C01F11/46
主分类号
C01B9/08
代理机构
代理人
主权项
地址
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