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
DYNAMOMETRIC MEASURING DEVICE FOR DRILL PIPE.
摘要
申请公布号
EP0431136(B1)
申请公布日期
1994.11.30
申请号
EP19900910123
申请日期
1990.06.26
申请人
ELF AQUITAINE PRODUCTION
发明人
HENNEUSE, HENRI;CLAYER, FREDERIC;TANGUY, JEAN-LUC;LUTZ, JEAN
分类号
G08C19/00;E21B47/00;E21B47/12;(IPC1-7):G08C19/00
主分类号
G08C19/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
STANDING WAVEFORM ACCELERATING TUBE
STANDING WAVEFORM ACCELERATING TUBE
TRANSPORTING DEVICE FOR FUEL PELLET
CROSS FLOW BLOWER DEVICE
ACCELERATING PUMP DEVICE FOR OUTBOARD ENGINE
DRIVING POWER CONTROLLER FOR VEHICLE
POLYMER COMPOSITION AND RUBBER PRODUCT FOR SLIDING PREPARED THEREFROM
PREPARATION OF THIN FILM OF POLYMER
PRODUCTION OF AQUEOUS POLYMER DISPERSION AND COATING METHOD
CUTTING KNIFE
Method and apparatus for purging tubing network of blood processing system
System and method for controlling a mixture ratio of air-fuel mixture supplied to an internal combustion engine
Magnetostriction type torque sensor
PICTURE MEMORY DEVICE
BACKUP DEVICE FOR FUNCTION DECENTRALIZED MICROCOMPUTER SYSTEM
GAIN CONTROLLER FOR TELEPHONE SET
PORTABLE RADIO COMMUNICATION EQUIPMENT
WINDING FOR TRANSFORMER
DETERGENT SUPPLY DEVICE FOR WASHING MACHINE AND THE LIKE
COMB LINE FILTER