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经营范围
发明名称
CUTTING DISK HOLDER FOR A MINING MACHINE
摘要
申请公布号
PL139710(B1)
申请公布日期
1987.02.28
申请号
PL19830243924
申请日期
1983.09.26
申请人
发明人
分类号
E21C;E21C35/18;(IPC1-7):E21C25/12
主分类号
E21C
代理机构
代理人
主权项
地址
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