Improvements in or relating to thermionic valve amplifiers,申请号GB19370009917-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 amplifiers
摘要
申请公布号	GB483882(A)	申请公布日期	1938.04.27
申请号	GB19370009917	申请日期	1937.04.07
申请人	C. LORENZ AKTIENGESELLSCHAFT	发明人
分类号	H03F3/22;H03F3/32	主分类号	H03F3/22
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHOD AND REAGENT FOR COLORIMETRY OF ANALITE BY MEANS OF ENZYMIC OXIDATION AND DIRECT OR COLORING ELECTRON ACCEPTOR THEREFOR

CHARACTER REPRODUCING SYSTEM

AUTOMATIC ORIGINAL SUPPLY DEVICE

ICE MELTING DEVICE FOR GLASS OF VEHICLE

SEALING STRUCTURE OF CAR WINDOW PANEL

PUSHING REDUCTION OF SHORT METAL MATERIAL BY SWAGING MACHINE AND INSTRUMENT

WALKING-TYPE PADDY FIELD WORKING MACHINE

LOST FOAM PATTERN CASTING DEVICE

ARYUSANIONSOKUTEIHOOYOBISONOTAMENOSOCHI

DOROKOTSUYOKAHENHYOJISOCHI

CAR BODY STRUCTURE OF VEHICLE

VEHICLE SUSPENSION DEVICE

UNLOADING METHOD FOR LNG SHIP

DEVICE FOR WARNING APPROACH OF TRAIN

AIRCONDITIONING EQUIPMENT

PERFECTING PRESS

LITHOGRAPHIC PRINTING PLATE SURFACE TREATING AGENT

METHOD FOR WELDING THICK PLATES