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经营范围
发明名称
MOUNTING FOR RECEIVING A MINING PICK BIT
摘要
申请公布号
GB9203894(D0)
申请公布日期
1992.04.08
申请号
GB19920003894
申请日期
1992.02.24
申请人
JADKE, JURGEN
发明人
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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