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发明名称
PERCUSSIVE HYDROPNEUMATIC APPARATUS
摘要
申请公布号
SU1079834(A1)
申请公布日期
1984.03.15
申请号
SU19823412226
申请日期
1982.03.24
申请人
VGNI PI ASBESTOVOJ PROMYSHLENNOSTI
发明人
SHKAREDNYJ VLADIMIR I,SU;KIRILLOV VALENTIN A,SU;BELOV MARK A,SU
分类号
E21C37/00;E21B6/06;(IPC1-7):E21C3/20
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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