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经营范围
发明名称
MINER'S DRILL
摘要
申请公布号
PL254504(A2)
申请公布日期
1986.06.17
申请号
PL19850254504
申请日期
1985.07.10
申请人
GORNICZO HUTNICZY MIEDZI
发明人
OGRODNICZEK ROMAN
分类号
E21C;(IPC1-7):E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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