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 and relating to electric signalling systems
摘要
申请公布号
GB775353(A)
申请公布日期
1957.05.22
申请号
GB19520019151
申请日期
1952.07.29
申请人
THE SIEMENS AND GENERAL ELECTRIC RAILWAY SIGNAL COMPANY LIMITED;THOMAS DOUGLAS AUSTIN;HUBERT JOHN NAPIER RIDDLE
发明人
分类号
B61L7/08
主分类号
B61L7/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Device and Method for Tracking Compliance Information of a Rider
DISTANCE MEASUREMENT INSTRUMENT WITH SCANNING FUNCTION
AUTOMOTIVE VEHICLE EQUIPMENT INTEGRATING A DEVICE FOR MEASURING DISTANCE OF OBJECTS
SYSTEM AND METHOD FOR MAGNETIC RESONANCE IMAGING
SEMICONDUCTOR DEVICE, ELECTRONIC DEVICE, AND SELF-DIAGNOSIS METHOD FOR SEMICONDUCTOR DEVICE
Embedded stress test circuitry and method of operating thereof
METHOD AND APPARATUS FOR DETERMINING A SYSTEM FREQUENCY IN MAGNETIC RESONANCE IMAGING
ARM SWING COMPENSATION TECHNIQUES
Antibody Compositions and Immunoassay Methods to Detect Isoforms of Anti-Müllerian Hormone
METHOD FOR MEASUREMENT OF HbA1c USING AMADORIASE THAT REACTS WITH GLYCATED PEPTIDE
GENETICALLY ENCODED FLUORESCENT SENSORS FOR DETECTING LIGAND BIAS AND INTRACELLULAR SIGNALING THROUGH cAMP PATHWAYS
FLUIDS TESTING APPARATUS AND METHODS OF USE
SYSTEM AND METHOD FOR CALIBRATING A PARTICULATE MATTER SENSOR
ASSET INTEGRITY MONITORING USING CELLULAR NETWORKS
SUCTION TANK AND NEGATIVE PRESSURE TYPE TOILET
RESIN COMPOSITION, AND MEMBER FOR IMAGE FORMATION AND IMAGE FORMING APPARATUS USING THE SAME
RAILWAY VEHICLE
LABEL CREATION METHOD, PROGRAM, TAPE PRINTING DEVICE, AND LABEL FOR CABLE
NITROUS OXIDE GAS DECOMPOSING APPARATUS, AND METHOD THEREFOR
DISC BRAKE DEVICE
