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发明名称
MINERAL CUTTING PICKS AND BOXES
摘要
申请公布号
GB1550353(A)
申请公布日期
1979.08.15
申请号
GB19750015379
申请日期
1976.05.17
申请人
WICKMAN WIMET LTD
发明人
分类号
E21C35/19;(IPC1-7):E21C35/18
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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