Improvements in or relating to thermionic valve and like base arrangements,申请号GB19340019054-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 or relating to thermionic valve and like base arrangements
摘要
申请公布号	GB440430(A)	申请公布日期	1935.12.27
申请号	GB19340019054	申请日期	1934.06.27
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人
分类号	H01J5/54;H01J19/66	主分类号	H01J5/54
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ABNORMAL VOLTAGE PROTECTING DEVICE OF ELECTRIC OVERHEAD LINE

METHOD FOR DETERMINING SIZE OF IMAGE RELATING TO SET OF DIGITAL IMAGE DATA

IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM FOR RECORDING THE SAME

SLIP PROCESSOR AND PROGRAM FOR REALIZING SLIP PROCESSING METHOD

INFORMATION MANAGEMENT SYSTEM, INFORMATION TERMINAL, AND INFORMATION MANAGING METHOD

AUXILIARY ILLUMINATING ARRANGEMENT FOR SLIT LAMP MICROSCOPE

POROUS FILM, COMPOSITION AND METHOD FOR FORMING THE SAME, INTERLAYER INSULATING FILM AND SEMICONDUCTOR DEVICE

CONTENTS INFORMATION PRINT HISTORY MANAGEMENT METHOD

COPYRIGHT PROTECTION SYSTEM, TRANSMITTER, METHOD FOR PROTECTING COPYRIGHT, MEDIUM AND INFORMATION AGGREGATE

METHOD FOR REMOVING TOXIC METAL

AMMONIA ABSORPTION INHIBITION COMPOSITION CONTAINING ALDONIC ACID

POWER TRANSMITTING DEVICE

INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD, PROGRAM, AND RECORDING MEDIUM

COMMUNICATION METHOD AND SYSTEM, COMMUNICATION TERMINAL, SERVER, PROGRAM, AND RECORDING MEDIUM

RADIO TRANSMITTER AND RADIO TRANSMISSION METHOD

INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD, RECORDING MEDIUM, AND PROGRAM

METHOD FOR MANUFACTURING ACTUATOR

POLYMER MATERIAL FOR PART OF IMAGE-FORMING APPARATUS, PART OF IMAGE-FORMING APPARATUS OBTAINED BY USING THE SAME, AND IMAGE-FORMING APPARATUS

METHOD FOR PRODUCING TUBULAR OBJECT, CAST MOLDING APPARATUS FOR METHOD, AND TUBULAR OBJECT