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发明名称
WELL PUMP POLISHED ROD SEALING AT WELL HEAD
摘要
申请公布号
SU914805(A1)
申请公布日期
1982.03.23
申请号
SU19802937386
申请日期
1980.06.09
申请人
BASHKIRSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
ZAJNASHEV RAFIZ A,SU;NUZHNYKH VALERIJ V,SU;KHANGILDIN ILDUS G,SU
分类号
F04B47/02;(IPC1-7):F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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