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经营范围
发明名称
GEOLOGICAL EXPLORATION ANNULAR PNEUMATIC STRIKER
摘要
申请公布号
RU1773995(C)
申请公布日期
1992.11.07
申请号
SU19904834807
申请日期
1990.06.06
申请人
INST GORNOGO DELA SO AN SSSR
发明人
SMOLYANITSKIJ BORIS N,SU;SUKHAREVA LYUDMILA I,SU;DANILOV BORIS B,SU;SAVELEV VYACHESLAV N,SU;SYRYAMIN ANATOLIJ T,SU
分类号
E21B4/14
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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