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经营范围
发明名称
HOLE-BORING APPARATUS
摘要
申请公布号
SU726340(A1)
申请公布日期
1980.04.05
申请号
SU19782563463
申请日期
1978.01.02
申请人
MO GEOLOGORAZVEDOCHNYJ I IM. S.ORDZHONIKIDZE
发明人
BRYLOV SERGEJ A,SU;POPOV ALEKSANDR N,SU;SYSOEV GENNADIJ P,SU
分类号
E21D1/06;(IPC1-7):E21D1/06
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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