Apparatus for working coal and other minerals,申请号GB19520002919-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	Apparatus for working coal and other minerals
摘要
申请公布号	GB715349(A)	申请公布日期	1954.09.15
申请号	GB19520002919	申请日期	1952.02.04
申请人	AUGUST HENSEL	发明人
分类号	E21C27/12	主分类号	E21C27/12
代理机构		代理人
主权项
地址

您可能感兴趣的专利

HOHLZYLINDERFOERMIGE, HIN- UND HERBEWEGBARE VERREIBERWALZE FUER EIN FARBWERK AN DRUCK- MASCHINEN

MULTILAYER PNEUMATIC PLATE

DEVICE FOR DISCRIMINATING PULSE TRAIN

DISCRETE INFORMATION TRANSMITTING-RECEIVING DEVICE

MULTI-OUTPUT NAND GATE

GAS-DISCHARGE DEVICE

DEVICE FOR COMPARING PULSE REPETITION PERIOD WITH GIVEN STANDARD

SELECTOR OF PULSES BY DURATION

DEVICE FOR SHAPING NANOSECOND HIGH-VOLTAGE PULSES OF STAIRCASE SHAPE

ACTIVE BAND-PASS RC-FILTER

VOLTAGE-TO-CURRENT CONVERTER

DEVICE FOR AGEING CARBON-PILE VOLTAGE REGULATORS

DC ELECTRIC DRIVE

DC-TO-DC VOLTAGE CONVERTER

DEVICE FOR IMPROVING THE SWITCHING OF COMMUTATOR DC ELECTRIC MACHINES

THREE-PHASE TWO-LAYER POLE-SWITCHABLE WINDING

WATER-WHEEL GENERATOR

DEVICE FOR CHARGING STORAGE BATTERY WITH REVERSIBLE CURRENT