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
METHOD AND DEVICE FOR DRILLING
摘要
申请公布号
EP0847479(A1)
申请公布日期
1998.06.17
申请号
EP19960929620
申请日期
1996.08.27
申请人
ATLAS COPCO CRAELIUS AB
发明人
JANSSON, KJELL
分类号
E21B44/00;E21B44/02;(IPC1-7):E21B44/00
主分类号
E21B44/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
COUPLING DEVICE FOR INTERIOR WIRING
MULTI-CAMERA SYSTEM AND ITS ADJUSTING DEVICE
GENERATING METHOD, GENERATING DEVICE, AND GENERATING PROGRAM FOR THREE-DIMENSIONAL COMPUTER GRAPHICS IMAGE
SEALING STRUCTURE FOR OPTICAL FIBER END PART, AND SEALING METHOD THEREOF
VARIABLE OPTICAL ATTENUATOR AND VARIABLE OPTICAL ATTENUATOR MODULE
INDUCTION HEATING DEVICE
VACUUM SUCKING DEVICE AND ITS MANUFACTURING METHOD
STAGE DEVICE, EXPOSURE DEVICE AND MANUFACTURING METHOD THEREOF
STAGE DEVICE AND ELECTRONIC BEAM PROXIMITY EXPOSURE SYSTEM
LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
CRYSTALLIZATION SCREENING METHOD FOR BIOPOLYMER, AND CRYSTALLIZATION SCREENING DEVICE FOR BIOPOLYMER USED THEREFOR
SKELETAL STRUCTURE MEMBER FOR TRANSPORTATION MACHINE
BRUSHLESS MOTOR
PRIORITIZED PDL SEGMENTATION PRODUCING TWO BIT SELECTOR
MOTORBIKE FOR FIRE-FIGHTING
AUTOMATIC STOP AND RESTART CONTROL DEVICE OF VEHICLE
METHOD AND DEVICE FOR POLISHING METAL RING FOR ENDLESS BELT OF CONTINUOUSLY VARIABLE TRANSMISSION
EARTHING DEVICE OF ROLLING STOCK
MULTILAYER CERAMIC SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME
