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发明名称
CUTTING BIT FOR MINING TOOL
摘要
申请公布号
SU1041683(A1)
申请公布日期
1983.09.15
申请号
SU19813288444
申请日期
1981.05.15
申请人
TULSKIJ POLT INSTITUT
发明人
KARPOV IGOR A,SU;STEPANOV VIKTOR N,SU;KALININ MIKHAIL M,SU;SHMAKIN IVAN G,SU
分类号
E21C35/183;(IPC1-7):E21C25/38
主分类号
E21C35/183
代理机构
代理人
主权项
地址
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