VERTICAL DRILLED GRADIENT DRAIN FOR DRAINAGE OF THE UNDERGROUND WATERS,申请号CS19780002748-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	VERTICAL DRILLED GRADIENT DRAIN FOR DRAINAGE OF THE UNDERGROUND WATERS
摘要
申请公布号	CS203335(B1)	申请公布日期	1981.02.27
申请号	CS19780002748	申请日期	1978.04.28
申请人	HAAS,KAREL,CS	发明人	HAAS,KAREL,CS
分类号	E21F16/00;(IPC1-7):E21F16/00	主分类号	E21F16/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

REDUCING MOTION ARTIFACTS IN NMR IMAGES

SUBSEA WELLHEAD

COMMUTATION CIRCUIT FOR LOAD COMMUTATED INVERTER INDUCTION MOTOR DRIVES

IMPROVEMENTS IN AND RELATING TO WINDOWS

Transmission sleeve for a down hole hammer

IMPROVEMENTS RELATING TO HEATING DEVICES

Releasable electrical connector

POLYMERIC FRICTION COMPOSITION

DEVICE FOR TESTING T-JOINTS

A METHOD OF OBTAINING SUGAR-CONTAINING SOLUTION

A METHOD FOR TESTING PRODUCT RELIABILITY

THIOPHENE SULFONAMIDES USEFUL AS CARBONIC ANYDRASE INHIBITORS

A DIGITAL SIGNAL REGENERATOR

TRANSMITTING DEVICE

THE BLOCK CODES CLOCK CYCLER

DEVICE TO FORECAST THE DISCRETE COMMUNICATION CHANNEL STATUS

DEVICE FOR CHECKING MULTICHANNEL PULSE SEQUENCIES

ACTIVE LOW-FREQUENCY RC-FILTER

OPTICALLY CONTROLLED SELF-EXCITED OSCILLATOR

METHOD OF CONTROL OVER ASYNCHRONOUS MOTOR