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发明名称
APPARATUS FOR COOLING CUTTING BITS OF A MINING MACHINE
摘要
申请公布号
PL139820(B1)
申请公布日期
1987.02.28
申请号
PL19820236605
申请日期
1982.05.26
申请人
发明人
分类号
B28D1/18;E21C35/187;E21C35/22;(IPC1-7):E21C35/22;E21C35/18
主分类号
B28D1/18
代理机构
代理人
主权项
地址
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