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经营范围
发明名称
ROCK DRILL
摘要
申请公布号
SU989062(A1)
申请公布日期
1983.01.15
申请号
SU19813327281
申请日期
1981.08.19
申请人
VNI PK I GORNORUDNOGO MASHINOSTROENIYA
发明人
BOVDUJ BORIS G,SU;GRITSAEV NIKOLAJ T,SU;KOBOZEV VLADIMIR N,SU;ALEKSEEV GENNADIJ M,SU;ZERNYUKOV SERGEJ E,SU
分类号
E21B15/00;E21B19/24;(IPC1-7):E21C11/02
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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Dispensing system
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Improvements in and relating to stapling machines
Improved method and devices for dressing abrasive tools
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Production of semiconductor materials
Improvements in fuel elements for nuclear reactors
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