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发明名称
DRILLING RIG BASE
摘要
申请公布号
SU968307(A1)
申请公布日期
1982.10.23
申请号
SU19813266084
申请日期
1981.01.12
申请人
PODMOSKOVNYJ NI PK UGOLNYJ I MINISTERSTVA UGOLNOJ PROMY SSSR
发明人
BAZANOV EVGENIJ P,SU;NIKOLAEV VLADIMIR L,SU;SOKOLOV SERGEJ I,SU;ARTYUKHIN ALEKSANDR N,SU
分类号
E21B15/00;(IPC1-7):E21B15/00
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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