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经营范围
发明名称
CENTERING AND WORKING GEM STONES
摘要
申请公布号
GB2080712(B)
申请公布日期
1983.12.21
申请号
GB19810017179
申请日期
1981.06.04
申请人
GERSAN ESTABLISHMENT
发明人
分类号
B24B9/16;B28D5/00;G01B11/02;G01N21/87;(IPC1-7):B24B9/16
主分类号
B24B9/16
代理机构
代理人
主权项
地址
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