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经营范围
发明名称
Heavy liquids
摘要
申请公布号
GB2024184(A)
申请公布日期
1980.01.09
申请号
GB19790017131
申请日期
1979.05.16
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION
发明人
分类号
B03B5/44;(IPC1-7):C01B31/34
主分类号
B03B5/44
代理机构
代理人
主权项
地址
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