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经营范围
发明名称
SHADE DETERMINATION
摘要
申请公布号
GB2018419(A)
申请公布日期
1979.10.17
申请号
GB19790010589
申请日期
1979.03.27
申请人
DE BEERS CONSOLIDATED MINES LTD
发明人
分类号
B07C5/342;B07C5/36;G01N21/87;(IPC1-7):G01N21/48
主分类号
B07C5/342
代理机构
代理人
主权项
地址
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