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经营范围
发明名称
DRAIN BYPASS VALVE
摘要
申请公布号
SU866113(A1)
申请公布日期
1981.09.23
申请号
SU19802887241
申请日期
1980.02.27
申请人
KAZAKHSKIJ POLT I IM. V.I. LENINA
发明人
ELIZAROV MIKHAIL I,SU;LISITSKIJ GENNADIJ D,SU;NESTERENKO VLADIMIR I,SU;FILIPOV EVGENIJ A,SU;ISENTAEV ERNIYAZ B,SU
分类号
E21B17/06;(IPC1-7):E21B17/06
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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