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
DEVICE FOR MONITORING DRILLING MUD LEVEL IN WELL
摘要
申请公布号
SU643629(A1)
申请公布日期
1979.01.25
申请号
SU19772552998
申请日期
1977.12.09
申请人
KONTORA POLEVOJ PROMYSLOVOJ GEOFIZIKI OBEDINENIYA "UZBEKNEFTEGAZRAZVEDKA"
发明人
BAKHROMI ERNST S,SU;POSIKERA MIKHAIL V,SU;RAKHIMOV AKBARKHODZHA K,SU;STRELKO IOSIF SH,SU;KHARLAMOV STANISLAV YA,SU
分类号
E21B21/00;E21B47/047;(IPC1-7):E21B47/04
主分类号
E21B21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Flexographic printing method
Amplitude attenuation of time-variant properties of fluid streams
Squirrel repelling hanger for a bird feeder or the like
Food dishing robot system
Bicycle lock in the saddle post
Draw tower for optical fiber producing systems
Building-structure seal
Valve unit capable of monitoring output pressure
Inflatable bladder with suction for supporting circuit board assembly processing
Fixing device for a windscreen wiper system
Block puncturing for turbo code based incremental redundancy
Disk drive apparatus
Print media handling and ejection system
Semiconductor memory device and test method therof
Vehicular headlamp and design method therefor
Digital binders, methods for replicating the same with physical binders, and binder systems incorporating the same
Illumination and imaging of an object
Battery bottle
Sol-gel open tubular ODS columns with charged inner surface for capillary electrochromatography
Method and compositions for processing poultry feathers
