Improvements in a feed bar arrangement for rock drills,申请号GB19630015809-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	Improvements in a feed bar arrangement for rock drills
摘要
申请公布号	GB958250(A)	申请公布日期	1964.05.21
申请号	GB19630015809	申请日期	1963.04.22
申请人	ATLAS COPCO AKTIEBOLAG	发明人
分类号	E21B19/08;E21B19/081	主分类号	E21B19/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Machine for and method of cutting shaped pieces from sheet material

Nursing nipple and bottle

Shoe quarter moulding apparatus

Method for manufacture of impregnated flexible fabric

Method of repairing open hearth furnace banks

Cabin pressure control apparatus

Presser foot for cloth cutting machines

Overhead boxcar door

Processes of producing oxidized hydrocarbon waxes

Printing device

Cylinder construction

Motion-picture projector

Method and apparatus for burning solid fuels

Spring paper punch

Hearing aid attachment for spectacles

Stall warning device

Procédé et appareil pour réduire l'effet d'interférence dans l'observation de signaux

Système de tension de lames de scie par pression hydraulique