Improvements in signalling devices for use on railroads,申请号GB19390017574-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	Improvements in signalling devices for use on railroads
摘要
申请公布号	GB530080(A)	申请公布日期	1940.12.04
申请号	GB19390017574	申请日期	1939.06.16
申请人	HAROLD GREEN;JOHN FRANCIS FROST	发明人
分类号	B61L3/10	主分类号	B61L3/10
代理机构		代理人
主权项
地址

您可能感兴趣的专利

TSUMUGI LIKE FALSE TWISTED COMPOSITE YARN AND METHOD

MAQUINA DE ORDENHAR

GRAMPO PARA CABELO

PROCESSO PARA INFLUENCIAR A FORMACAO DE ESPUMA EM REACOES QUIMICAS OU BIOQUIMICAS DE GAS-LIQUIDO EM REATORES DE GASEIFICACAO, E REATOR DE GASEIFICACAO PARA REALIZACAO DO PROCESSO

CONECTOR ELETRICO PARA ESTABELECER LIGACOES COM UM SUBSTRATO RETANGULAR PLANO

SUPPLY VOLTAGE DISTRIBUTION NETWORK FOR TELECOMMUNICATIONS¹EXCHANGE

HIGH MANNITOL PROCESS (ALKALINE HYDROGENATION IN PRESENCE OF ALKALI METAL CARBONATE)

HETEROCYCLIC COMPOUNDS WHICH ARE GABA-AGONISTS AND PRODUCTION OF SAME

ELECTRONIC CONTROL SYSTEM FOR AN INDIVIDUAL SECTION GLASSWARE FORMING MACHINE

ANTITUMOR SUBSTANCE

SAFETY SKI BINDING

MARKER FOR USE IN PLAYING A GAME

(BETA)-LACTAM COMPOUNDS

PROCESS FOR THE PREPARATION OF GLAFENIN

N-PYRIMIDINYL-IMIDOACID ESTERS, PROCESSES FOR THEIR PREPARATION, AND DRUGS CONTAINING THE SAID COMPOUNDS

EARTH BORING BIT WITH GRIDDED FERROUS BEARING SURFACE

MOBILE APPARATUS FOR SPREADING LIQUIDS AT A CONSTANT VOLUME PER UNIT SURFACE AREA

PACKAGE FOR A SWEETMEAT PRODUCT

WAFER PACKAGING SYSTEM