Seals; universal joints; drilling apparatus,申请号GB19800009623-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	Seals; universal joints; drilling apparatus
摘要
申请公布号	GB2044863(A)	申请公布日期	1980.10.22
申请号	GB19800009623	申请日期	1980.03.21
申请人	BAKER INTERNATIONAL CORP	发明人
分类号	E21B4/00;E21B4/02;F16D3/84;(IPC1-7):F16J15/34	主分类号	E21B4/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

MANUFACTURE OF CUT LENGTHS OF PROFILED STRIP MATERIAL

METHOD OF AND APPARATUS FOR TRANSFERRING LATENT ELECTROSTATIC IMAGES

HEADLAMP GLASS AND WIPER INSTALLATION FOR USE ON AN AUTOMOTIVE

FLEXIBLE PERMANENT MAGNET

DISAZO DYES FOR DYEING POLYAMIDES AND DIFFERENTIAL DYEING OF COMP SITE SYNTHETIC POLYAMIDES

AUTOMATIC APPARATUS FOR PREPARING AND DISTRIBUTING SHEETS OF WRAPPING PAPER FROM A CONTINUOUS WEB ON CIGARETTE WRAPPING AND PACKING MACHI NES

SHIP RETARDING SYSTEM

SEMICONDUCTOR STRAIN MEASURING DEVICE

ELECTRO-DEPOSITED COMPOSITE COATINGS OF METAL AND GRAPHITE FLUORIDE

ELECTROPHORESIS

METHOD OF PRODUCING CRYOLITE

DEWAXING PROCESS

STORAGESTABLE QUICK-CURING EPOXIDE RESIN MOULDING MATERIALS

PNEUMATIC SPRINGS

COMPOSITION AND METHOD FOR IMPARTING CORROSION RESISTANCE

TRANSFER- UND MONTAGEVORRICHTUNG