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发明名称
VERFAHREN ZUR BESTIMMUNG DER FARBE VON DIAMANTEN U.A. EDELSTEINEN
摘要
申请公布号
DE2940625(A1)
申请公布日期
1980.06.04
申请号
DE19792940625
申请日期
1979.10.06
申请人
DE BEERS CONSOLIDATED MINES LTD.
发明人
STEWART WOODS,GEOFFREY;MARK WELBOURN,CHRISTOPHER
分类号
G01N21/87;(IPC1-7):G01N21/22
主分类号
G01N21/87
代理机构
代理人
主权项
地址
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