首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
摘要
申请公布号
DE2202868(B2)
申请公布日期
1981.05.07
申请号
DE19722202868
申请日期
1972.01.21
申请人
BRANDENBERGER, ERNST, WETZIKON, CH
发明人
BRANDENBERGER, ERNST, WETZIKON, CH
分类号
E21B7/14;(IPC1-7):E21B7/14
主分类号
E21B7/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD FOR MANUFACTURING INTERMEDIATE PRODUCT FOR COLOR FILTER, METHOD FOR MANUFACTURING COLOR FILTER, COLOR FILTER, IMAGE DISPLAY DEVICE AND IMAGE INPUT DEVICE
CONNECTING STRUCTURE OF HANDRAIL PIPE
LIQUID CRYSTAL DISPLAY DEVICE
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND NONCONTACT TYPE ELECTRONIC DEVICE
WORM GEAR
WINDING CYLINDER SUPPORT STRUCTURE OF MOTOR FOR MOTOR- DRIVEN POWER STEERING
WINDING CYLINDER STRUCTURE OF MOTOR FOR MOTOR-DRIVEN POWER STEERING
METHOD FOR DETECTING AND METHOD FOR ELIMINATING COLORED PRIMER TUBE FRAGMENTS IN CRUSHED STONES, AND METHOD FOR MANUFACTURING OF CRUSHED STONES IN WHICH RESIDUE OF COLORED PRIMER TUBE FRAGMENTS IS REDUCED
APPARATUS FOR CONTROLLING TEMPERATURE IN SEMICONDUCTOR PROCESSING SYSTEM
HYDRAULIC LOCKING DEVICE
STARTING METHOD FOR FUEL CYLINDER INJECTION ENGINE
OPTICAL AMPLIFICATION DEVICE
SEPARATION OF TRANSVERSE SPACE MODE IN MICROSTRUCTURE OPTICAL FIBER
HEATER
NOISE ELIMINATOR
METHOD FOR MANUFACTURING QUARTZ-BASE OPTICAL WAVEGUIDE
OPTICAL FIBER PULLING DEVICE AND METHOD FOR CONTROLLING TENSION IMPARTED TO OPTICAL FIBER
SHEET FOR FIXING SEMICONDUCTOR WAFER
DISCHARGE LAMP LIGHTING DEVICE
SIGNAL TRANSMITTING DEVICE
