ROCK BIT CONE RETENTION SYSTEM,申请号CA20002312151-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	ROCK BIT CONE RETENTION SYSTEM
摘要
申请公布号	CA2312151(A1)	申请公布日期	2001.01.01
申请号	CA20002312151	申请日期	2000.06.23
申请人	SMITH INTERNATIONAL	发明人
分类号	E21B10/20;E21B10/22	主分类号	E21B10/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

INDICATOR FOR DEGREE OF APPROACH

APPARATUS FOR CONTROLLING SLUDGE TURBIDITY IN AERATION VESSEL

INSULATION STRUCTURE OF ELECTRIC DUST COLLECTOR

ELECTROSTATIC RECORDER

TEMPERATURE CONTROL APPARATUS OF ROTARY DRUM

22ACYLAMINOMETHYLL1*44BENZODIAZEPINE AND ITS SALT* THEIR MANUFACTURE AND ANALGESIC CONTAINING IT

LIQUID CRYSTAL IMAGE DISPLAY UNIT

FLERSKIVERS DREIEFILTER.

FOERFARANDE FOER FRAMSTAELLNING AV EN A-40104 ANTIBIOTIKABLANDNING OCH DESS KOMPONENTER FAKTOR A FAKTOR B OCH PLEUROMUTILIN

WINDER WINDING STRIP

HAOLLARE FOER FASTHAOLLNING AV EN LOEPARE UNDER HOPSAETTNING AV EN DRAGKEDJA

GLASS FIBER REINFORCING LAMINATE AND ITS MANUFACTURE

PROCEDIMENTO PER LA PREPARAZIONE DI ISOFTALONITRILE.

APPARECCHIO PER CUOCERE ALLA GRIGLIA FUNZIONANTE CON TUTTI I TIPI DI GAS.

FOERFARANDE FOER ATT STOETTA OCH/ELLER FOERSTAERKA SCHAKTVAEGGAR I GRUV- BERGS- OCH TUNNELBYGGE ANORDNING FOER ATT GENOMFOERA FOERFARANDET OCH ETT I ETT BORRHAOL I SCHAKTVAEGGEN INFOERT FAESTANKARE

EXHAUST GAS RECIRCULATING DEVICE FOR DIESEL ENGINE

METHOD OF DEVELOPING AND FIXING ELECTROPHOTOGRAPHIC IMAGE