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发明名称
DRILLING UNIT
摘要
申请公布号
SU1002570(A1)
申请公布日期
1983.03.07
申请号
SU19803248897
申请日期
1980.12.30
申请人
SP K BYURO SAMOKHODNOGO GORNOGO OBORUDOVANIYA
发明人
VAJNER SEMEN K,SU;IVANOV VALENTIN D,SU;TUMARKIN VLADIMIR B,SU;TSIPKIS ALEKSANDR M,SU;SHERIEV ANATOLIJ A,SU;YAKOVLEV VLADIMIR G,SU
分类号
E21D9/10;E21B44/00;(IPC1-7):E21C11/02
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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