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
JPS57147386(U)
申请公布日期
1982.09.16
申请号
JP19810034158U
申请日期
1981.03.13
申请人
发明人
分类号
E21B11/04;E21B11/00;(IPC1-7):E21B11/00
主分类号
E21B11/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Methoximinophenylacetic acid amides
Magnetic resonance tomography apparatus with vacuum-insulated gradient coil system
Bowling ball surface abrading and polishing tool assembly
Chrysanthemum plant named Orange Pilar'
Rose plant named POULharmu'
Sutera plant named Everwhite'
Apparatus and method for connecting casing to lateral casing using thermoset plastic molding
Display cabinets and hinges therefor
Drum motor
System and method for protocol conversion using facilities and utilities
Method and program product for preventing unauthorized users from using the content of an electronic storage medium
Time-resolved optoacoustic method and system for noninvasive monitoring of glucose
Integrated point of presence server network
Synthesizer with lock detector, lock algorithm, extended range VCO, and a simplified dual modulus divider
Method and apparatus for automatic exposure control using localized capacitive coupling in a matrix-addressed imaging panel
Branching connector fixing structure
Coaxial cable connector with main body tightly fastened to protective coating
Process for the preparation of 1-(3,4-dimethoxyphenyl)ethanol
Fitting for plastic tubing
System and method for offset course guidance