DEVICE FOR SEALING WELL HEAD,申请号SU19772459535-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	DEVICE FOR SEALING WELL HEAD
摘要
申请公布号	SU648714(A1)	申请公布日期	1979.02.25
申请号	SU19772459535	申请日期	1977.03.05
申请人	VNII NEFTEPROMYSLOVOJ GEOFIZIKI	发明人	GABDULLII TIMERKHAT G,SU;PAVLOV GENNADIJ L,SU;ZARIPOV MIDKHAT KH,SU;PROKOFEVA IRINA ,SU
分类号	E21B33/03;(IPC1-7):E21B33/03	主分类号	E21B33/03
代理机构		代理人
主权项
地址

您可能感兴趣的专利

BAMBOO SCREEN FOR LAVER SHEET MAKING

CONTROLLING METHOD OF THE CONCENTRATION OF LAVER MIXTURE AND DEVICE THEREFOR

SPEED CONTROLLING DEVICE FOR INDUCTION MOTOR

PERCUSSION SOUND GENERATOR

RACKET FRAME MADE OF WOOD

PRODUCTION OF LOW CALORIE MOLDED SUGAR

VOICE SYNTHESIZER

THIN FILM MAGNETIC RECORDING MEDIUM

NEGATIVE ELECTRODE FOR SILVER OXIDE BATTERY

MANUFACTURE OF BUTTON TYPE BATTERY

PROTECTING SYSTEM FOR CONVERTER

DETECTING APPARATUS OF WATER LEVEL OF BOILING WATER TYPE NUCLEAR REACTOR

CONVEYING METHOD FOR WAFER

SEMICONDUCTOR DEVICE AND MANUFACTURE THEREOF

MANUFACTURE OF SELF-FUSION TYPE COMPOSITE WINDING

INSULATING METHOD FOR COIL END

MANUFACTURE OF UPPER ELECTRODE IN JOSEPHSON ELEMENT

DISPENSER DEVICE

OXADIAZOLES, PREPARATION OF ISOXAZOLES