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
Fremgangsmåte for frembringelse av et fôringsrör i et borehull
摘要
申请公布号
NO311447(B1)
申请公布日期
2001.11.26
申请号
NO19970003280
申请日期
1997.07.15
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
GILL, DALJIT SINGH;LOHBECK, WILHELMUS CHRISTIANUS MARIA;STEWART, ROBERT BRUCE;VLIET, JACOBUS PETRUS MARIA VAN
分类号
E21B33/14;E21B43/10;(IPC1-7):E21B43/10
主分类号
E21B33/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
IMAGING DEVICE AND IMAGING METHOD
IMAGING APPARATUS, IMAGING METHOD, AND IMAGING PROGRAM
POWER SAVING GEAR OIL COMPOSITION
COMPOSITION FOR EXTERNAL APPLICATION
MOLECULAR SHIELD FOR IONIZATION VACUUM GAUGE
COPPER ALLOY FOR ELECTRONIC DEVICE AND LEAD FRAME MATERIAL
ENDOSCOPE FOR OBLIQUE VIEWING
VOLTAGE BALANCE CORRECTING CIRCUIT OF SERIAL CELL AND POWER STORAGE APPARATUS
BATTERY MODULE
ADAPTED CONTROL SYSTEM
VEHICLE NAVIGATION APPARATUS
METHOD AND APPARATUS FOR DRIVING STEP MOTOR, AND CAMERA
COARSE AND FINE ADJUSTMENT DEVICE AND AUTOMATIC FOCUSING DEVICE
AQUEOUS INK COMPOSITION FOR BALLPOINT PEN AND BALLPOINT PEN CONTAINING THE SAME
SUPPORT DEVICE OF DRIVING FOR IMPROVING FUEL ECONOMY
LIGHT EMITTING ELEMENT
PLASMA ETCHING METHOD AND PLASMA ETCHING DEVICE
RADIATION IMAGE PHOTOGRAPHING METHOD AND APPARATUS
NON-FERROUS METAL SMELTING FURNACE
WALKING-TYPE SEEDLING TRANSPLANTER WITH CHEMICAL APPLICATION
