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发明名称
Housing for a pick bit
摘要
申请公布号
GB2253425(A)
申请公布日期
1992.09.09
申请号
GB19920003894
申请日期
1992.02.24
申请人
JURGEN * JADKE
发明人
JURGEN * JADKE
分类号
E21C35/19
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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