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发明名称
METHOD OF AND APPARATUS FOR OBTAINING GYPSUM OF HIGH PURITY
摘要
申请公布号
PL177366(B1)
申请公布日期
1999.11.30
申请号
PL19940315116
申请日期
1994.10.26
申请人
ABB FLAEKT AB
发明人
RAGNARSSON SVEN
分类号
B01D53/50;B01D53/64;B01D53/68;B01D53/77;C01F11/46
主分类号
B01D53/50
代理机构
代理人
主权项
地址
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