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
Downhole apparatus
摘要
申请公布号
GB2315082(B)
申请公布日期
2000.12.06
申请号
GB19960014451
申请日期
1996.07.10
申请人
KLAAS JOHANNES * ZWART;* PETROLINE WELLSYSTEMS LIMITED;* WEATHERFORD/LAMB, INC
发明人
KLAAS JOHANNES * ZWART
分类号
E21B34/10;(IPC1-7):E21B21/10
主分类号
E21B34/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Carrier for immobilizing microorganisms, and method for converting nitrogen compounds in a liquid using the same
CATALYST AND PROCESS FOR PRODUCING THE SAME
FILLER FOR CONCRETE AND SIMILAR BUILDING MATERIAL
Improved header and coil arrangement for cooling apparatus
Refrigerator
Multi-fibre connector with cylindrical ferrule
Composition comprising encapsulated cells
Subband acoustic echo canceller
ELECTROLYTE SOLUTION FOR DRIVING ELECTROLYTIC CAPACITOR AND ELECTROLYTIC CAPACITOR MADE THEREWITH
Magnetic resonance imaging method and apparatus
Double tooth cutter for a cutting drum
Parking device
Tight seal for plastic container and lid
Collapsible work bench apparatus
Clamping device
Control device especially for transmission of motor vehicles and a method for manufacturing such a control device
Spread spectrum communication system
A highly purified biogenic silica product
Chewing gum composition containing erythritol
Information regenerating apparatus
