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经营范围
发明名称
RECOVERY AND CONCENTRATION OF AQUEOUS ACIDS AND BASES
摘要
申请公布号
EP0344760(A3)
申请公布日期
1990.03.07
申请号
EP19890109877
申请日期
1989.06.01
申请人
STANTECH GMBH
发明人
CAHN, ROBERT P.,
分类号
B01D61/40;B01D61/44;(IPC1-7):B01D13/02;C02F1/46
主分类号
B01D61/40
代理机构
代理人
主权项
地址
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