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
An apparatus and method for facilitating the connection of pipes
摘要
申请公布号
GB9917697(D0)
申请公布日期
1999.09.29
申请号
GB19990017697
申请日期
1999.07.29
申请人
WEATHERFORD/LAMB INC
发明人
分类号
E21B19/16
主分类号
E21B19/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DOCUMENT MANAGEMENT SYSTEM AND PROGRAM
PELLICLE STORAGE CONTAINER
METHOD OF SMOOTHING SURFACE OF SUBSTRATE FOR EUV MASK BLANK, AND EUV MASK BLANK OBTAINED BY ITS METHOD
SEMICONDUCTOR DEVICE
INFORMATION PROCESSING SYSTEM
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSOR, AND INFORMATION PROCESSING METHOD
SYSTEM FOR MANAGING CONSTRUCTION MACHINERY
METHOD FOR PRODUCING SAKE
EVALUATION INDEX CALCULATION DEVICE, EVALUATION DEVICE, EVALUATION INDEX CALCULATION METHOD, CONTROL PROGRAM OF EVALUATION INDEX CALCULATION DEVICE AND RECORDING MEDIUM WITH PROGRAM RECORDED THEREON
NETWORK SETTING METHOD, NETWORK SYSTEM, AND RELAY DEVICE
COMMUNICATION DEVICE
STEERING LOCK DEVICE
VIDEO SIGNAL PROCESSING APPARATUS AND METHOD, AND PROGRAM AND STORAGE MEDIUM
PROCESSOR AND PROGRAM
BATTERY
SURFACE TREATMENT FOR THIN TITANIUM FOIL, AND ASSEMBLY USING THE SAME
ELECTRICAL LOAD CONTROLLER AND METHOD OF CONTROLLING ELECTRICAL LOAD AND MOTOR-DRIVEN LOAD CONTROLLER AND METHOD OF CONTROLLING MOTOR-DRIVEN LOAD
INDUCTION-HEATING COOKER
LIQUID CRYSTAL DISPLAY DEVICE
IMAGE FORMING DEVICE
