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
Railway traffic controlling apparatus
摘要
申请公布号
US1815640(A)
申请公布日期
1931.07.21
申请号
US19300475735
申请日期
1930.08.16
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
YOUNG HENRY S.
分类号
B61L5/06
主分类号
B61L5/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHUCK MECHANISM FOR MACHINE TOOL, CLAW MATERIAL AND LATHE
ROBOT, ROBOT CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM
MANNEQUIN DISPLAY DEVICE AND MANNEQUIN DISPLAY STAND
MANUFACTURING METHOD OF MOLDED PRODUCT, AND REACTOR
FAULT POINT LOCATING DEVICE AND FAULT POINT SPECIFYING METHOD
SURVEILLANCE CAMERA SYSTEM
EL ELEMENT, EL LIGHT-EMITTING DEVICE, AND SHEET
VERSION MANAGEMENT DEVICE AND VERSION MANAGEMENT METHOD
ENVIRONMENT PURIFYING FLAME-RESISTING HEAT INSULATION BUILDING MATERIAL
SEAWATER SUPPLY SYSTEM AND SEAWATER SUPPLY METHOD
EPOXY RESIN COMPOSITION AND SEMICONDUCTOR DEVICE
ALUMINUM ALLOY SHEET EXCELLENT IN FORMABILITY, DIFFERENT PERIPHERAL SPEED ROLLING METHOD, AND PRODUCTION METHOD OF ALUMINUM ALLOY SHEET
SOLUBLE MICRONEEDLE FOR ALLERGY TEST
HERBICIDAL COMPOSITION
BIPYRIDINE COMPOUND AND ANTIMICROBIAL AGENT
DOCUMENT RETRIEVAL DEVICE, DOCUMENT RETRIEVAL METHOD, AND DOCUMENT RETRIEVAL PROGRAM
PACKED COIN PROCESSING UNIT
PROXIMITY DETECTION SYSTEM, PORTABLE APPARATUS, AND CONTROL PROGRAM
LARGE DISPLAY SYSTEM
FUEL STORAGE CELL AND FUEL STORAGE RACK
