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发明名称
Verfahren zum Bleichen von Mineralen mit Dithionitloesungen
摘要
申请公布号
DE1792262(A1)
申请公布日期
1971.10.28
申请号
DE19681792262
申请日期
1968.08.12
申请人
ENGLISH CLAYS LOVERING POCHIN & CO. LTD.
发明人
BARRON ROWSE,JOSEPH;JOHN BURR,KENNETH;WILFRID WEBB,TERENCE
分类号
B01J20/12;G01N27/48
主分类号
B01J20/12
代理机构
代理人
主权项
地址
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