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
Interlocking system for railroads
摘要
申请公布号
US2045900(A)
申请公布日期
1936.06.30
申请号
US19310557809
申请日期
1931.08.18
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
DICKE OSCAR H.
分类号
B61L19/06
主分类号
B61L19/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OIL PURIFICATION BY ADDING HYDRATABLE PHOSPHATIDES
PROCESS FOR PREPARING A GRANULAR HERBICIDAL COMPOSITION
BODY HARNESS
PEST CONTROL
PEST CONTROL
PRETREATMENT OF RAW NATURAL GAS PRIOR TO LIQUEFACTION
DISPOSITIVO ATTO A PRODURRE NEVICATE ARTIFICIALI CON RECUPERO E RICIRCOLAZIONE DELLA NEVE CADUTA
SHORING BUILDING PLATE SECURAL
FOERFARANDE FOER KONTROLLERING AV PROCESSMAELTAN AV EN GJUTMAESSING I TVAO FASER.
FOERFARANDE FOER FRAMSTAELLNING OCH BELAEGGNING AV SKIVFORMIGA STYCKEN.
FOERFARANDE FOER OEVERVAKNING AV STYCKEN UNDER SVAORA PRODUKTIONSFOERHAOLLANDEN.
CONTROL SYSTEM OF FUEL FLOW FOR START-UP OF A GAS TURBINE ENGINE
COLLAGEN CONTACT LENS
REMOTE CONTROLLER FOR WIRELESS TELEPHONE
PHOSPHINYLMETHYLIMINOACETIC ACID N-OXIDE COMPOUNDS AND THE SUCROSE INCREASING USE THEREOF
BRANCH-OFF METHOD
FUSE HEAD FOR A HAND GRENADE FUSE
CORK EXTRACTING APPARATUS
MOUNTING GIRDER FOR THE PLATES OF A WALL OR CEILING LINING
ADJUSTABLE KEEPER PLATE ASSEMBLY FOR USE WITH CRESCENT SASH FASTENER