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发明名称
STAND FOR TESTING PERCUSSIVE-ACTION PNEUMATIC MACHINES
摘要
申请公布号
SU617542(A1)
申请公布日期
1978.07.30
申请号
SU19772463278
申请日期
1977.03.09
申请人
INST GORNOGO DELA SO AN SSSR
发明人
POTAPOV NIKOLAJ P,SU;GURKOV KONSTANTIN S,SU;KOSTYLEV ALEKSANDR D,SU
分类号
E02F5/18;G01M7/00;(IPC1-7):E02F5/18;E21C3/24
主分类号
E02F5/18
代理机构
代理人
主权项
地址
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