Improvements in and relating to thermionic valves,申请号GB19280033450-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 and relating to thermionic valves
摘要
申请公布号	GB331231(A)	申请公布日期	1930.07.10
申请号	GB19280033450	申请日期	1929.07.23
申请人	FRANCIS ADOLPHUS GOULDING;SAMUEL FREDERICK GAME	发明人
分类号	H01J19/28;H01J19/30	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

EFFICIENT METHOD FOR REUSING SCALE FACTORS TO IMPROVE THE EFFICIENCY OF AN AUDIO ENCODER

PACKET RELAY APPARATUS, MULTICAST PACKET COMMUNICATION SYSTEM, AND MULTICAST PACKET COMMUNICATION METHOD

SUSPENSION DEVICE FOR LINKED PRODUCTS

FLUOROMETRIC METHOD FOR MONITORING SURFACE ADDITIVES IN A PAPERMAKING PROCESS

ABIOTIC STRESS TOLERANT TRANSGENIC PLANTS

IN SITU INDICATOR DETECTION AND QUANTITATION TO CORRELATE WITH AN ADDITIVE

STRINGED INSTRUMENT WITH COLOR-CODED FRETBOARD AND METHOD OF USING SAME

ELECTROCHROMIC MATERIALS AND ELECTROCHROMIC DEVICES USING THE SAME

Thermally stable semiconductor power device

Crankcase seal for air-cooled engines

VIRTUAL DISK DRIVE SYSTEM AND METHOD

Integrated Apparatus for Performing Nucleic Acid Extraction and Diagnostic Testing on Multiple Biological Samples

Method for repositioning a numerically conrolled device

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

METHOD OF FORMING CONDUCTIVE BUMPS

COMPOSITIONS THAT BIND MULTIPLE EPITOPES OF IGF-1R

PHTALOCYANINE DERIVATIVES, PROCESS FOR THEIR PREPARATION, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND THEIR USE

SYSTEMS AND PROCESSES FOR OPTICAL IMAGING OF LUMINAL ANATOMIC STRUCTURES

R-Plane Sapphire Method and Apparatus