Coal mining machine,申请号GB19520004735-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	Coal mining machine
摘要
申请公布号	GB717607(A)	申请公布日期	1954.10.27
申请号	GB19520004735	申请日期	1952.02.22
申请人	NATIONAL COAL BOARD;FREDERICK WILFRED WOOD	发明人
分类号	E21C27/18	主分类号	E21C27/18
代理机构		代理人
主权项
地址

您可能感兴趣的专利

FREMGANGSMAADE OG APPARAT TIL FREMSTILLING AF SOFT-ICE

CHARGED PARTICLE BEAM FOCUSING DEVICE

POWER SOURCE CIRCUIT FOR ELECTRONIC RANGE

PULL SWITCH STRING KNOB

LIGHT TRANSMISSION TYPE DISPLAY DEVICE

APPARATUS FOR AND METHOD OF MEASURING THICKNESS OF METAL FILM IN TERMS OF QUANTITY OF ELECTRICITY

PURIFICATION OF DIMETHYLETHANOLAMINE

PREPARATION OF N-PHENYL-2,6-DICHLOROANILINE

NOVEL DITERPENOID

4-TRANS-ALKYLCYCLOHEXANECARBOXYLIC ACID 4'-ALKYLPIPERIDINO-PHENYL ESTER

THERAPEUTICAL ALPHA-MERCAPTOPROPIONYLGLYCINE DERIVATIVE, MANUFACTURE AND RELATED PHARMACEUTICAL COMPOSITIONS

PURIFICATION OF CLINOFIBRATE

OPTICAL TRANSMITTER

ANALGETIC COMPOSITION COMPRISING (1) BUTORPHANOL AND (2)¹ZOMEPIRAC

IDLING DETERMINATION DEVICE FOR INTERNAL COMBUSTION ENGINE

HYBRID COMPANDING DELTA MODULATION SYSTEM

DETECTOR DE BILLETES FALSOS PERFECCIONADO

PROCEDIMIENTO PARA PREPARAR PERHALOCICLOPROPANOCARBOXILATOS.