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
Wellbore system with retrivable valve body
摘要
申请公布号
SG76442(A1)
申请公布日期
2000.11.21
申请号
SG19950000380
申请日期
1995.02.16
申请人
SEHLL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
GISBERGEN VAN STANISLAUS JOHANNES CORNELIS HENRICUS MARIA;KINDEREN DER WILHELMUS JOHANNES GODEFRIDUS JOSEPH
分类号
E21B34/06;E21B43/00;E21B43/12;(IPC1-7):E21B43/00
主分类号
E21B34/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OIL-FILLED STATIONARY INDUCTION ELECTRICAL APPARATUS
NOx TREATMENT SYSTEM OF BOILER
PROCESSOR, CACHE MEMORY CONTROL APPARATUS, AND CACHE MEMORY CONTROL METHOD
ION CURRENT DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE CONTROL SYSTEM PROVIDED WITH THE SAME
SUPERSONIC VIBRATION LEVITATION DEVICE
CRACK DETECTING APPARATUS AND CRACK DETECTION METHOD
CONTROLLER, ELECTRONIC APPARATUS, AND CONTROL METHOD OF USB DEVICE
VALVE DEVICE
ELECTROMAGNETIC INDUCTION HEATING APPARATUS
CARTON FOR SANITARY PAPER STORAGE AND SANITARY PAPER IN CARTON
IMAGE FORMING DEVICE
INFORMATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS, INFORMATION PROCESSING SYSTEM, AND PROGRAM
GLASS FOR ELECTRODE FORMATION AND ELECTRODE FORMATION MATERIAL USING THE SAME
DISPLAY DEVICE, DISPLAY METHOD, AND PROGRAM
FLOW RATE MEASUREMENT DEVICE AND FLOW RATE MEASUREMENT METHOD
IRRIGATED ELECTRODE WITH ENHANCED HEAT CONDUCTION
EXHAUST GAS EMISSION CONTROL SYSTEM
LIGHT SOURCE DEVICE
DATA COMPARISON DEVICE AND DATA COMPARISON METHOD
ALUMINUM COMPOUND, RAW MATERIAL FOR THIN FILM FORMATION, AND METHOD OF PRODUCING THIN FILM
