首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Koplingsstykke for bruk ved samtidig jord- og/eller fjellboring med en °vre roterende slaganordning og en nedre slaganordning
摘要
申请公布号
NO991318(A)
申请公布日期
1999.03.18
申请号
NO19990001318
申请日期
1999.03.18
申请人
ATLAS COPCO CRAELIUS AB
发明人
BORG, TOMAS
分类号
E21B4/20;E21B6/00;E21B17/03;E21B19/086;E21B21/02;E21B44/00;(IPC1-7):E21B6/00
主分类号
E21B4/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Identifying product issues using forum data
Adaptive logging apparatus and method
Centralized check image storage system
Task management system
Tag along shopping
User interface for human involved business processes
Emphasis of short-duration transient speech features
System and method for well surveillance and management
Positioning system and method using optically tracked anchor points
Vibratory pipeline diagnostic system and method
Food additive detector
Navigation device
Vehicle information system
Use of selectable one-way clutch in hybrid powertrain
Motor vehicle driver assisting method near the stability limit
Mobile apparatus
Method and device for preventing useless alarms generated by an anti-collision system on board an airplane
Distributed approach to electronic engine control for gas turbine engines
Heat dissipation apparatus, heat dissipation method thereof, and container data center utilizing the heat dissipation apparatus
Microphone boot for a portable electronic device