DRILLING JAR,申请号GB19790019473-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	DRILLING JAR
摘要
申请公布号	GB2050466(A)	申请公布日期	1981.01.07
申请号	GB19790019473	申请日期	1979.06.04
申请人	INTORALA LTD	发明人
分类号	E21B31/00;E21B31/113;F16F9/53;(IPC1-7):E21B31/10	主分类号	E21B31/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Systèmes automatiques de fac-similé

Perfectionnements aux générateurs d'oscillations

Mixing torpedo for plastics extruders

Perfectionnements aux indicateurs visuels de route pour systèmes directeurs radio-électriques

Straining or filtering apparatus for liquids

Three element objective lens

Alkamine esters of pyrrole-3, 4-dicarboxylic acids

Automatic chuck

Milling attachment for lathes

Improvements in vulcanizing apparatus, particularly for vulcanizing footwear

Improvements in axle boxes for rail vehicles

Improvements in or relating to pipe connections for elastic fluid turbines

AMINO ALCOHOL ESTER

WATER PAINT BASE AND METHOD OF PREPARING WATER PAINT

PAPER MANUFACTURE

MOULDED PLASTIC RECEPTACLE

FREQUENCY MODULATION TRANSMITTER

DEMOUNTABLE DEVICE FOR BUILDING ELECTRICAL MACHINES