Method of assaying compressive strength of rock,申请号GB19980020635-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	Method of assaying compressive strength of rock
摘要
申请公布号	GB9820635(D0)	申请公布日期	1998.11.18
申请号	GB19980020635	申请日期	1997.03.21
申请人	DRESSER INDUSTRIES INC	发明人
分类号	E21B49/00;E21B49/02;G01N33/24	主分类号	E21B49/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

System for editing digital video and audio information

Method and device for determining the ion flow in internal combustion engines

Slaveless synchronous system design

Air vehicle landing/takeoff area mapping system and method

Multiplex radio transmitter and multiplex radio transmission method, multiplex radio receiver and multiplex radio receiving method, and multiplex radio transceiver and multiplex transmission/receiving system

Support for a waveguide for conducting mechanical waves and method for producing a support for a waveguide

Selectable analog functions on a configurable device and method employing nonvolatile memory

Access structure for high density read only memory

Actuator arm assembly for a magnetic storage device

Head slider having streamlined pads

Spectrometer configured to provide simultaneous multiple intensity spectra from independent light sources

Method for suppressing disturbances in a bipolar data stream and a circuit configuration for carrying out the method

Integrated twisted pair filter with a secure RIC function

Mounting frame for mounting input/output device to conpactPCI-based computer

Thin film transistor matrix with repairable bus line

Method and system for determining location and velocity of electromagnetic emitters using doppler frequency measurements

Level measuring arrangement

Electromagnetic actuator having a joint-supported resetting spring

Fail safe buffer capable of operating with a mixed voltage core

Integrated current mode PWM drive system supply voltage scaleable while retaining a high precision