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
Improved casing & tubing centraliser
摘要
申请公布号
GB9812107(D0)
申请公布日期
1998.08.05
申请号
GB19980012107
申请日期
1998.06.06
申请人
SAGA TRADE (UK) LTD
发明人
分类号
E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ASSEMBLING DEVICE FOR VEHICLE BODY PARTS
FORMING METHOD FOR FIBER BUNDING TERMINAL PART
AIR-CONDITIONING DEVICE
AERIAL FLOATING DEVICE
ANTISKID CONTROLLER
PNEUMATIC RADIAL TYRE FOR AIRCRAFT
EASILY RELEASABLE LAMINATED FILM
MANUFACTURE OF CALCINED PANEL
LONG-SIZE RESIN MATERIAL ARTICLE HAVING DEFORMATION PREVENTIVE FUNCTION
INDOOR AIR-CONDITIONING CIRCUMSTANCE SETTING DEVICE
DEMANDING DEVICE
THIN FILM EL DISPLAY BRIGHTNESS CONTROL CIRCUIT
SETTING OF ROOM TEMPERATURE FOR AIR-CONDITIONING MACHINE
MANUFACTURE OF LIQUID CRYSTAL DISPLAY DEVICE
DEHYDRATING AND WASHING MACHINE
HALOGEN LAMP
INJECTION UNIT PROVIDED WITH DISCHARGE HOLE FOR POWDERY BODY AND GAS
FLAT BOARD STICKING METHOD
PRINT CONTROL METHOD OF RECORDING HEAD
PREHEATING METHOD AND APPARATUS IN TREATMENT OF CYANOGEN-CONTAINING WASTE LIQUOR
