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
摘要
申请公布号
JPH051876(B2)
申请公布日期
1993.01.11
申请号
JP19870014140
申请日期
1987.01.26
申请人
DENRYOKU CHUO KENKYUJO
发明人
HAYASHI MASAO
分类号
E21B11/06
主分类号
E21B11/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SEMICONDUCTOR DEVICE
Compact camera modules with horological stepper motor
Liquid crystal display
A system for aligning locking screws in intramedullary nails
Method and device for application of a strip material
Modular frequency converter comprising an installation cabinet
Modulation scheme adaptation in single carrier wireless communication systems
Method and apparatus for recommending simplified fares with consistent buy-across
A METHOD FOR REALIZING PREVIEW OF IPTV PROGRAMS, AN ENCRYPTION APPARATUS, A RIGHT CENTER SYSTEM AND A USER TERMINAL
Decorative material
Crown out-floor out device for a well service rig
Method of manufacturing artificial nail and artificial nail produced using the same method
Frequency domain determination of equalizer coefficients for MIMO/MISO radio
Method, apparatus, and system for transmitting and receiving inter-device content right objects
Lipoprotein-regulating medicaments
Wind turbine and wind turbine rotor pitch control method
Organic light emitting display
MOUNTING STRUCTURE OF APPARATUS FOR ALARMING CHANGE TIME OF CAR OILS
PLASMA DISPLAY PANEL DEVICE
SYSTEM AND METHOD FOR BACKUP CHARGING DATA IN REAL TIME IN MOBILE COMMUNICATION NETWORK
