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发明名称
WORKING AGENT INPUT LIMITER FOR HYDRAULIC PERCUSSIVE MACHINES
摘要
申请公布号
SU1067186(A1)
申请公布日期
1984.01.15
申请号
SU19823497449
申请日期
1982.10.05
申请人
SP K BYURO V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA"
发明人
KUSHELEVICH ALEKSANDR B,SU
分类号
E21B4/14;(IPC1-7):E21B4/14
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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