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发明名称
DEVICE FOR CONTROLLING HOIST-LOWER OPERATIONS
摘要
申请公布号
SU607944(A1)
申请公布日期
1978.05.25
申请号
SU19721853047
申请日期
1972.12.06
申请人
VNI PK I KOMPLEKSNOJ AVTOM NEFTYANOJ GAZOVOJ PROMYSHLENNOSTI
发明人
VINITSKIJ MAKS M,SU;POGARSKIJ VIKTOR V,SU;KORYAKIN VALENTIN F,SU
分类号
E21B19/00;(IPC1-7):E21B19/00
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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