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发明名称
DEVICE FOR CONTROLLING ENGINE ROTATIONAL SPEED
摘要
申请公布号
SU636362(A1)
申请公布日期
1978.12.05
申请号
SU19762321888
申请日期
1976.02.09
申请人
NI PK I PO DOBYCHE POLEZNYKH ISKOPAEMYKH OTKRYTYM SPOSOBOM
发明人
GAFIYATULLIN RAFAIZ KH,SU;DEGTYAREV VLADIMIR A,SU
分类号
E21B3/02;E21B44/00;(IPC1-7):E21B3/02
主分类号
E21B3/02
代理机构
代理人
主权项
地址
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