NON-MAGNETIC STEEL HAVING HIGH CORROSION RESISTANCE AND HIGH STRENGTH FOR USE AS MATERIAL OF DRILL COLLAR, AND DRILL COLLAR MADE OF THE STEEL,申请号EP19850308615-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	NON-MAGNETIC STEEL HAVING HIGH CORROSION RESISTANCE AND HIGH STRENGTH FOR USE AS MATERIAL OF DRILL COLLAR, AND DRILL COLLAR MADE OF THE STEEL
摘要
申请公布号	EP0183536(B1)	申请公布日期	1989.08.30
申请号	EP19850308615	申请日期	1985.11.27
申请人	NIPPON STEEL CORPORATION	发明人	NAKAZAWA, TAKANORI DAINIGIJUTSUKENKYUSHO;SUZUKI, TORU DAINIGIJUTSUKENKYUSHO;SAKAMOTO, TETSU DAINIGIJUTSUKENKYUSHO;YAMAUCHI, ISAMU
分类号	C22C38/00;C22C30/00;C22C38/48;C22C38/50;E21B17/16;H01F1/00	主分类号	C22C38/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Aparelho e método para determinar a localização de um dispositivo sem fio após o desligamento

Liquefaction and internal logic flow processing unit and prioritized cost effective machine apparatus used for the creation of a liquid fuel material made from the underwater arching of carbon rods. Apparatus emphases are placed on cost-effectiveness and energy saving liquefaction process for the replacement of petroleum gasoline

Black dichroic dye

Melt polymerization of low melt viscosity liquid crystalline polymers

Polyamide resin composition with good reflectance, impact strength, heat resistance, and water resistance and method of preparing the same

Biodegradable polyester mixture

Non-halogen flame retardant and high rigidity polycarbonate resin composition

Rubber-plastic alloy for warm mix asphalt mixture and method for manufacturing the same

Degradation promoter of biodegradable resin molded body, and use thereof

Use of nanoporous polymer foams as heat-insulating materials

System and method for producing, preparing, or manufacturing natural rubber-based ABS compositions, powders, substances, and/or additives

Photocurable resin composition, method of fabricating optical film using the same, and optical film including the same

Process for production of modified conjugated diene polymers, modified conjugated diene polymers produced by the process, rubber compositions, and tires

Method and apparatus for treatment of biomass substrates

Derivatives of 3-O-(3',3'-dimethylsuccinyl)-betulinic acid

Adduct compound, methods for purification and preparation of fused polycyclic aromatic compound, solution for formation of organic semiconductor film, and novel alpha-diketone compound

Material for organic electroluminescence device and organic electroluminescence device using the same

Pyrrolidine triple reuptake inhibitors

Preparation of hydroxy aldehydes