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发明名称
WELL PUMP WITH HYDRAULIC PROTECTION OF PLUNGER PAIR
摘要
申请公布号
SU1100428(A1)
申请公布日期
1984.06.30
申请号
SU19833558246
申请日期
1983.02.28
申请人
KORSHUN YAKOV F,SU
发明人
KORSHUN YAKOV F,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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