Improvements in or relating to thermionic valves,申请号GB19300011625-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 valves
摘要
申请公布号	GB352994(A)	申请公布日期	1931.07.13
申请号	GB19300011625	申请日期	1930.04.12
申请人	EDMUND JOSEPH CLAUDE DIXON	发明人
分类号	H01J21/20	主分类号	H01J21/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHOD AND SYSTEM FOR SHARING FREQUENCY SPECTRUM BETWEEN GSM SYSTEM AND LTE SYSTEM

VALUABLE METAL LEACHING METHOD, AND VALUABLE METAL COLLECTION METHOD EMPLOYING THE LEACHING METHOD

NOVEL USE OF A DENSE AND ERECT PANICLE 1 GENE IN IMPROVING NITROGEN UTILIZATION EFFICIENCY

CONTINUOUS PROCESS FOR MAKING A PITA CRISP

TUNNEL ENTRANCE SPECIFICATION DEVICE AND METHOD THEREOF, COMPUTER PROGRAM FOR SPECIFIYING TUNNEL ENTRANCE, AND RECORDING MEDIUM ON WHICH COMPUTER PROGRAM IS RECORDED

PLANT FOR WORKING PRODUCTS

ROPE DRUM AND ROPE ROLLER FOR FIBRE-ROPE DRIVES

A LOGISTICS SYSTEM AND A METHOD FOR PROVIDING LOGISTICS SERVICE WITH THE LOGISTICS SYSTEM

COMMUNICATION SYSTEM, CONTROL DEVICE, FORWARDING NODE, COMMUNICATION CONTROL METHOD, AND PROGRAM

FLEXURALLY RIGID LAMINATED SHEETS, PARTS MOLDED THEREFROM AND METHOD OF FABRICATION AND METHOD OF FABRICATION

A ZINC-CONTAINING METHANE AROMATIZATION CATALYST, METHOD OF MAKING AND METHOD OF USING THE CATALYST

CATALYST SUPPORT PRODUCED BY FLAME SPRAY PYROLYSIS AND CATALYST FOR AUTOTHERMAL PROPANE DEHYDROGENATION

DEHYDROGENATION CATALYST AND PROCESS

PHOTOVOLTAIC DEVICE AND HYDROGEN GENERATING DEVICE

DERIVATIVES OF AZAINDAZOLE OR DIAZAINDAZOLE TYPE AS MEDICAMENT

METHOD AND APPARATUS FOR MEASURING THE REFLECTION PROPERTIES OF A REFLECTOR

ULTRASONIC DIAGNOSTIC DEVICE AND IMAGE PROCESSING METHOD

APPARATUS, SYSTEM, AND METHOD FOR TURNING AND POSITIONING A PATIENT