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发明名称
CENTRAGE ET TRAVAIL DE PIERRES PRECIEUSES
摘要
申请公布号
BE889097(A1)
申请公布日期
1981.10.01
申请号
BE19810205001
申请日期
1981.06.04
申请人
GERSAN ESTABLISHMENT
发明人
分类号
B24B9/16;G01B11/02;G01B11/24;G01B11/245;G01B21/20;G01N21/87;(IPC1-7):G01B/;B28D/
主分类号
B24B9/16
代理机构
代理人
主权项
地址
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