Improvements in automatic railway signals,申请号GB19280035815-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Improvements in automatic railway signals
摘要
申请公布号	GB327438(A)	申请公布日期	1930.04.07
申请号	GB19280035815	申请日期	1928.12.05
申请人	SYDNEY THOMAS BALLS	发明人
分类号	B61L3/18	主分类号	B61L3/18
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Integral data storage disk card.

Printing press.

Device for regulating the pressure force of a pantograph on a catenary wire and related process.

Process for forming diamond coatings using a silent discharge plasma jet process.

Semiconductor integrated circuit with improved I/O structure.

Image processing apparatus.

Process for treatment and use of pyrolysis and bombustion products from a gasifier and plant for carrying out this process.

Intermediate pipe-jacking apparatus.

Method of transferring and transporting sheet material to an output unit and device for accomplishing this method.

Laser writing type liquid crystal light valve.

Method and apparatus for transferring objects from a first conveyor to a second conveyor which is arranged substantially perpendicularly to the first conveyor.

薄片型电极

铁矿石的尾矿制作装饰面砖

一种计量阀操作机构及其控制回路

一种钢铁缓蚀剂的制备方法

烟草填充料加工方法

Advanced user interface.

DEVICE FOR FASTENING GLAZINGS

METHOD FOR MAKING A BALL PLUG FOR A PLUG VALVE

MEANS FOR COUPLING A STEERING COLUMN WITH A STEERING BOX