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
Improvements in or relating to thermionic valves
摘要
申请公布号
GB589022(A)
申请公布日期
1947.06.10
申请号
GB19410007313
申请日期
1941.06.10
申请人
ANDREW MURRAY REITH;CHARLES SEYMOUR WRIGHT
发明人
分类号
H01J19/28
主分类号
H01J19/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Enzymatic bleach system containing mediator increasing pulp bleaching or coal liquefaction performance
Removing coating from object
Method of controlling and securing traffic system
Mehrschichtige, gereckte, heißsiegelbare im Vakuum bedampfte Polypropylenfolie
SOUND ABSORBING CEMENTITIOUS COMPOSITION AND METHOD OF MAKING SAME
VARIABLE RATE TRANSMISSION AND RECEPTION METHODS, AND VARIABLE RATE TRANSMISSION AND RECEPTION DEVICES
Verschlüsselungsverfahren und -vorrichtung
Vorrichtung sowie Verfahren zum Verblocken eines Stapels von gestapelten Gegenständen
Self-levelling headlights for vehicle
Adjustable door, or window or furniture hinge
Verfahren und Dosiervorrichtung zum Betrieb einer Haushalts-Geschirrspülmaschine
Light deflection system for illuminating rooms using light reflectors
Surgery system for vitreous humour of eye
Miniature mass spectrometer
AUTOMATED LIQUID MANUFACTURING SYSTEM
ARAGONITIC PRECIPITATED CALCIUM CARBONATE PIGMENT FOR COATING ROTOGRAVURE PRINTING PAPERS
SPRING BODY EXCESS FLOW VALVE AND METHOD OF USING SAME
SEALING METAL CAP WITH PLASTIC INSERT
COMPOSITE POLYESTER RESIN MOLDINGS
VERY ULTRA THIN CONDUCTOR LAYERS FOR PRINTED WIRING BOARDS