Advancing support system for mine workings,申请号GB19560038250-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	Advancing support system for mine workings
摘要
申请公布号	GB848751(A)	申请公布日期	1960.09.21
申请号	GB19560038250	申请日期	1956.12.14
申请人	ARNOLD HAARMANN	发明人
分类号	E21D23/00	主分类号	E21D23/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

PRESSURE-SENSITIVE TYPE TRANSFER MATERIAL

PAPER PRESS ROLLER FOR PRINTING APPARATUS

TRANSISTOR DRIVE CIRCUIT OF TRANSISTOR INVERTER

SINGLE MODE OSCILLATION MONITOR

LOCKING DEVICE UTILIZING PERMANENT MAGNET

MANUFACTURE OF SEMICONDUCTOR DEVICE

LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

CATHODE-RAY TUBE AND MANUFACTURE OF THE SAME

INFORMATION RECORDING/REPRODUCING SYSTEM

PATTERN GENERATOR

ULTRASONIC PROBE

ELECTRONIC THERMOMETER

LOCKING DEVICE FOR CAR SEAT

ACOUSTIC DIAPHRAGM

FUEL INJECTION VALVE

DRY CLEANING APPARATUS

SCAFFOLD PLATE FOR ROOF

CONDUCTIVE FLOOR MATERIAL

LUBRICATING DEVICE