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经营范围
发明名称
HARD-ALLOY INSERT
摘要
申请公布号
SU794158(A1)
申请公布日期
1981.01.07
申请号
SU19762402215
申请日期
1976.09.01
申请人
INST SVERKHTVERDYKH MATERIALOV AN UK SSR
发明人
VOVCHANOVSKIJ IVAN F,SU;VIROVETS LYUSEN N,SU;SVESHNIKOV IGOR A,SU;VINNIK ERA-GALINA M,SU;MENDELSON VENIAMIN S,SU;SHUSTER LAZAR M,SU;PASHCHEVSKIJ ANDREJ B,SU;ATABEKOV VLADIMIR A,SU
分类号
E21B10/46;(IPC1-7):E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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