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
Uppoporakone
摘要
申请公布号
FI97991(C)
申请公布日期
1997.03.25
申请号
FI19920005769
申请日期
1992.12.18
申请人
UNIROC AB,
发明人
EKWALL,BERNDT;JAKOBSSON,TORBJOERN;PETERSON,MARTIN
分类号
E21B4/14;(IPC1-7):E21B4/14
主分类号
E21B4/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Image stabilization apparatus
Phase retarder, a laminate polarizing plate a method for producing thereof, and a liquid crystal display
Liquid ejection head and ejection abnormality determination method
Integrated magnetoresitive speed and direction sensor
Wiper control system
Circuit arrangement having a full bridge with switching load relief for operating lamps
Assembly/disassembly structure of flippable side panel of computer unit
FIELD EMISSION CATHODE GATING FOR RF ELECTRON GUNS AND PLANAR FOCUSING CATHODES
Gasket and mandrel assembly for pipe joints
Display capsules and a method of manufacturing thereof
Circuit for adjusting the operating point of multiple gate field effect transistors
Sample observing apparatus and sample observing method
Infrared radiation detecting device
POST SUPPORT APPARATUS WITH ROTATABLE POST GUIDE
Hanging tab with sensing chip
Fairing and airfoil apparatus and method
System for dispensing paper rolls with conductive tubes
FLOATING ROTATABLE FOUNTAIN DECORATION
Method and system for utilizing a digital camera for retrieving and utilizing barcode information
Removable grip handle device adaptable to containers of different thickness