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
TOP FILLING TUBING
摘要
申请公布号
EP2032794(A1)
申请公布日期
2009.03.11
申请号
EP20070733181
申请日期
2007.06.11
申请人
CHURCHILL DRILLING TOOLS LIMITED
发明人
CHURCHILL, ANDREW, PHILLIP
分类号
E21B21/01;E21B17/00;E21B21/00
主分类号
E21B21/01
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PHASE SHIFTER
DIGITAL CLOCK
ELECTRONIC POWERRMEASURING DEVICE
APPARATUS FOR CIRCULATING WASHING BALLS OF MEMBRANE SURFACE
SELECTIVE CALLING RECEIVER
VOICE DESK CALCULATOR
METHOD OF AND DEVICE FOR TREATING SEWAGE SLUDGE AND ANIMAL EXCREMENTS
HEAT RADIATING BODY
LINEARIZER USING MULTIPLIER
METHOD OF CONTINUOUSLY INTRODUCING OXYGEN CONTAINED GAS INTO SEWAGE CONTAINING ACTIVATED SLUDGE OR FERMENTATION LIQUID
WAVEGUIDE ELEMENT AND PRODUCTION OF THE SAME
CONDUCTOR LINE OR AND JOINT
SENSE AMPLIFIER
LIQUID CRYSTAL DISPLAY CELL AND RPODUCTION OF THE SAME
CLOCK SIGNAL GENERATOR
PRODUCTION OF BLOCK SETS HAVING FIXED STEPPING
Preloaded bearing
Gas-purifying composition and method of producing it
Air cleaner
Electrical connector assembly