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
Appareil automatique pour arrêter un train franchissant un signal fermé ou resté accidentellement ouvert
摘要
申请公布号
FR796348(A)
申请公布日期
1936.04.04
申请号
FRD796348
申请日期
1935.01.05
申请人
发明人
BIAULT FERNAND, GEORGES
分类号
B61L3/04
主分类号
B61L3/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TOMOGRAPH
METHOD AND INSTRUMENT FOR DETERMINING ROTARY FURNACE ROTATION AXIS RECTILINEARITY
APPARATUS FOR DETERMINING CONDENSER CONTAMINATION DEGREE
CENTRALIZED HEAT SUPPLY CLOSED WATER SYSTEM
PRESSURE PULSATION SUPRESSOR
REVERSIVE OVERRUNNING CLUTCH
HYDRAULIC VIBRATOR
INERTIA-TYPE PULSATOR
APPARATUS FOR LOADING PUMP ACCORDING TO PREDETERMINED CYCLE
MULTISTAGE CENTRIFUGAL PUMP
APPARATUS FOR PROTECTING SHIP TURBOUNIT
TURBOMACHINE WORKING BLADE
DEVICE FOR PLUGGING HOLES IN TUNNEL LINING WITH INJECTION FLUID
LINING OF UNDERGROUND STRUCTURE
DRYING PROCESS AUTOMATIC CONTROL APPARATUS
APPARATUS FOR CONTROLLING HEATING AND VENTILATING UNIT
PERCUSSIVE DEVICE FOR BREAKING-UP OVERSIZE LUMPS
PERCUSSIVE MECHANISM FOR DRILLING MACHINES
APPARATUS FOR SIMULATING THE PROCESS OF SALT DEPOSITION IN GAS WELLS
METHOD AND APPARATUS FOR ISOLATING ABSORBING FORMATIONS IN WELLS