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发明名称
CUTTER PICKS
摘要
申请公布号
GB8329665(D0)
申请公布日期
1983.12.07
申请号
GB19830029665
申请日期
1983.11.07
申请人
WIMET MINING LTD
发明人
分类号
E21C35/197;(IPC1-7):E21C35/18
主分类号
E21C35/197
代理机构
代理人
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