A Damping Device for prevent Idle blow of Hydraulic-Drifter,申请号KR20080016761U-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	A Damping Device for prevent Idle blow of Hydraulic-Drifter
摘要
申请公布号	KR20100006500(U)	申请公布日期	2010.06.25
申请号	KR20080016761U	申请日期	2008.12.17
申请人		发明人
分类号	E21B1/18;E21B1/16;E21B1/26	主分类号	E21B1/18
代理机构		代理人
主权项
地址

您可能感兴趣的专利

BACK LIGHT IRRADIATION DEVICE

STRUCTURE FOR ATTACHING DIAPHRAGM DEVICE

MAGNETIC-OPTICAL MATERIAL, ITS PRODUCTION, AND OPTICAL ELEMENT USING SAME

MAGNETO-OPTICAL MATERIAL, ITS PRODUCTION, AND OPTICAL ELEMENT USING SAME

OPTICAL FIBER TYPE FARADAY ROTOR AND OPTICAL ISOLATOR

PHOTOGRAPHING LENS PROVIDED WITH ROTATIONAL TORQUE VARYING MEANS

LENS BARREL AND MANUFACTURE OF SHAFT USED FOR IT

OPTICAL CABLE AND PRODUCTION THEREOF

OPTICAL ROTARY CONNECTOR

COUPLING STRUCTURE BETWEEN OPTICAL FIBER ARRAY AND LENS ARRAY

WAVEGUIDE TYPE POLARIZATION CONTROL ELEMENT

OPTICAL TWEEZERS DEVICE

CYLINDRICAL LENS

ELECTRON BEAM IRRADIATION DEVICE AND METHOD FOR PASSING ITS SHEET SHAPE PROCESSED MATTER TO BE PROCESSED

FERROELECTRIC DEVICE

SYNCHRONOUS MESSAGE COMMUNICATION EQUIPMENT

CIRCUIT DEVICE ACTING ON FREQUENCY RESPONSE OF DIGITAL AURAL SIGNAL

A/D CONVERTER FOR VIDEO SIGNAL

COLOR CATHODE-RAY TUBE