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发明名称
HIGH-PRESSURE EFFORT-MULTIPLYING DEVICE
摘要
申请公布号
SU565990(A1)
申请公布日期
1977.07.25
申请号
SU19742091014
申请日期
1974.12.31
申请人
NAUMOV VLADIMIR V,SU
发明人
NAUMOV VLADIMIR V,SU
分类号
E21C25/60;E21C45/00;E21C45/04;(IPC1-7):E21C45/00
主分类号
E21C25/60
代理机构
代理人
主权项
地址
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