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
Improvements in electric switches applicable to railway signalling
摘要
申请公布号
GB463429(A)
申请公布日期
1937.03.30
申请号
GB19350026763
申请日期
1935.09.27
申请人
STANDARD TELEPHONES AND CABLES LIMITED;ANDREW BROWN;ROLAND HARRIS DUNN;DAVID GORDON MCKIE
发明人
分类号
B61L1/16
主分类号
B61L1/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Method of purifying quaternary alkylammonium salt and quaternary alkylammonium salt
Fuel cell with fuel monitoring system and method of use
Solid polymer electrolyte fuel cell and method for manufacturing the same
Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine
Digital broadcast receiver apparatus
ACTIVE PIXEL SENSOR WITH ISOLATED PHOTO-SENSING REGION AND PERIPHERAL CIRCUIT REGION
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM
DEVICE FOR RECOVERING ANAESTHETIC DURING USE OF INHALED ANAESTHETICS
COMPRESSOR IN AN EXHAUST-GAS TURBOCHARGER FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING A COMPRESSOR
ELECTROCHEMICAL GENERATOR
FABRIC FOR FIELD DRYING HARVESTED FRUIT
PROTECTIVE COATING
ICE-CONTAINING PRODUCTS
OPTICAL ELEMENT AND FIXTURE FOR AN OPTICAL ELEMENT
METALLIC FLAT GASKET
COOLING FRAME COMPRISING AT LEAST ONE ELECTRICALLY DRIVEN VENTILATOR
PARTS FOR MOTOR VEHICLES COMPRISING A LOW AREA ENERGY ABSORBER
METHOD FOR DETERMINING AND REGULATING THE GLOW PLUG TEMPERATURE
APPARATUS AND METHOD FOR DIFFUSED AERATION
ATTACHMENT FOR FOOTWEAR AND RELATED FOOTWEAR
