BOREHOLES BROACHING BIT,申请号PL19830244174-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	BOREHOLES BROACHING BIT
摘要
申请公布号	PL244174(A1)	申请公布日期	1985.04.24
申请号	PL19830244174	申请日期	1983.10.15
申请人	POLSKIE GORNICTWO NAFTOWE	发明人	BLAZEJOWSKI WITOLD;WEGRZYNOWICZ JAN
分类号	E21B;E21B10/08;E21B10/26;(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

Bonding pad of a semiconductor device and formation method thereof

3-AMINOPYRROLIDINE DERIVATIVES AS MODULATORS OF CHEMOKINE RECEPTORS

TRANSFER MASK BLANK, TRANSFER MASK, AND TRANSFER METHOD USING THE TRANSFER MASK

ROUNDED-PARTICLE PLASTIC POWDER IN PARTICULAR FOR APPLICATION IN LASER SINTERING, METHOD FOR PRODUCTION OF SUCH A POWDER AND LASER SINTERING PROCESS USING SUCH A POWDER

Novel role for GLP-1 to mediate responses to disparate stressors

SPLICE VARIANT OF THE HUMAN PITUITARY GROWTH HORMONE

PRION PROTEIN LIGANDS AND METHODS OF USE

FLUIDIC MICROSYSTEM COMPRISING FIELD-FORMING PASSIVATION LAYERS PROVIDED ON MICROELECTRODES

SOLAR ELECTRICITY GENERATOR

Single frequency laser

BRAKING ARRANGEMENT AND BRAKING MANEUVER MEANS

Direct logical block addressing flash memory mass storage architecture

Method for composite cell-based implants

Blood testing deivce

Heavy metal particulate (HMP) emission speciation modification process

Method for refolding of proteins

Methods of treating and preventing narcolepsy using enantiomerically pure (s)-didesmethylsibutramine

Substituted aryl compounds as novel cyclooxygenase-2 selective inhibitors, compositions and methods of use

[GOLF CLUB STRIKING PLATE WITH VARIABLE THICKNESS (CORPORATE DOCKET NUMBER PU2177)]