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经营范围
发明名称
Working Gem Stones
摘要
申请公布号
GB2018173(A)
申请公布日期
1979.10.17
申请号
GB19790000109
申请日期
1979.01.03
申请人
GERSORAN SA
发明人
分类号
B24B9/16;B28D5/00;(IPC1-7):B28D5/00
主分类号
B24B9/16
代理机构
代理人
主权项
地址
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