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
COLLAR FOR CASING STAGE CEMENTING
摘要
申请公布号
SU1717793(A1)
申请公布日期
1992.03.07
申请号
SU19894666973
申请日期
1989.03.27
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
SHEVCHENKO KONSTANTIN A,SU;SEREZHNIKOV VLADIMIR V,SU;KOVAL ALEKSANDR F,SU;ABRAMOV ARKADIJ A,SU
分类号
E21B33/138;E21B33/14
主分类号
E21B33/138
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD FOR ALLEVIATING SIGN AND SYMPTOM OF SPASTICITY
SURFACE LIGHT SOURCE DEVICE AND FLAT PANEL DISPLAY DEVICE
ELECTRICAL APPARATUS
TANK-LIKE VACUUM BREAKER
SOLAR BATTERY CELL AND ITS MANUFACTURING METHOD, AND SOLAR BATTERY MODULE
MONITORING DEVICE FOR VEHICLE PERIPHERY, VEHICLE, VEHICLE PERIPHERAL MONITORING METHOD, AND PROGRAM FOR VEHICLE PERIPHERAL MONITORING
HEAT INSULATION MATERIAL PACK
METHOD AND DEVICE FOR CONTROLLING TURBO COMPOUND ENGINE
PARKING ASSIST DEVICE
WATER PURIFYING AGENT AND METHOD THEREFOR
LED DISPLAY DEVICE AND LED ILLUMINATION DEVICE
GAME DEVICE AND GAME PROGRAM USED IN THE GAME DEVICE
SYSTEM AND METHOD FOR STREAMING GAME AND SERVICE TO GAMING APPARATUS
SMALL ELECTRONIC EQUIPMENT
WIRELESS COMMUNICATION TERMINAL AND WIRELESS COMMUNICATION METHOD
CONTENT PROVIDING DEVICE
ELECTRONIC EQUIPMENT
IMAGING APPARATUS
NON-DIRECTIONAL ANTENNA
SYSTEM, METHOD, AND PROGRAM FOR PROCESSING IMAGE
