CORE BARREL INNER TUBE LIFTER,申请号ZM19680000017-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	CORE BARREL INNER TUBE LIFTER
摘要
申请公布号	ZM1768(A1)	申请公布日期	1969.05.17
申请号	ZM19680000017	申请日期	1968.03.01
申请人	MINDRILL LTD	发明人
分类号	E21B;(IPC1-7):E21B/	主分类号	E21B
代理机构		代理人
主权项
地址

您可能感兴趣的专利

EQUIPMENT, METHOD AND RECORDING MEDIUM FOR ENLARGEMENT, REDUCTION AND MODIFICATION OF SHAPE OF IMAGES DEPENDING ON OUTPUT FROM PRESSURE-SENSITIVE MEANS

SYSTEM FOR DYNAMIC VLIW SUB-INSTRUCTION SELECTION FOR EXECUTION TIME PARALLELISM IN AN INDIRECT VLIW PROCESSOR

Method for determination of specific nucleic acid sequence, and a reagent therefor

TORQUE CONTROL DEVICE FOR HYDRAULIC PUMP OF HYDRAULIC CONSTRUCTION EQUIPMENT

Automated adaptive classification system for bayesian knowledge networks

Mobile radio communication system

Partial helical strake system for vortex-induced-vibration suppression

METHOD FOR CONCURRENT AMPLIFICATION AND REAL TIME DETECTION OF POLYMORPHIC NUCLEIC ACID SEQUENCES

NOISE REDUCING DIFFERENTIAL PRESSURE MEASUREMENT PROBE

Secure integrated circuits

Liquid container closure assembly

Cutting platform for a combine harvester

Mass spectrometer

Reflective road stud

Work by weight dislocation and neutralisation

Inter changeable folding chair canvas

Anti scaling device and method for steam irons

Composite polymer electrolyte membrane