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发明名称
SHELTER FOR SELF-PROPELLED DRILLING RING
摘要
申请公布号
SU918416(A1)
申请公布日期
1982.04.07
申请号
SU19802982977
申请日期
1980.09.12
申请人
ZAPADNO-SIBIRSKIJ VNI PK I NEFTYANOGO MASHINOSTROENIYA
发明人
KOTLOV VITALIJ I,SU;MOSUNOV ANATOLIJ A,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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