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 electron discharge devices for use in television and like systems
摘要
申请公布号
GB499662(A)
申请公布日期
1939.01.26
申请号
GB19370020629
申请日期
1937.07.26
申请人
FERNSEH AKTIENGESELLSCHAFT
发明人
分类号
H01J31/42;H01L21/10
主分类号
H01J31/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
STRUCTURE FOR INSTALLING WHEEL RAIL
ARMREST DEVICE OF CHAIR
ENGINE SLAP SOUND SUPPRESSING DEVICE
TRANSITION METAL COMPOUND, CATALYST COMPOSITION, ITS PREPARATIVE METHOD AND ITS USE FOR OLEFIN POLYMERIZATION
SEAT BACK USED FOR AUTOMOTIVE SEAT
PRINTING DEVICE
GUIDE BLADE FOR MULTIPLE STAGE CENTRIFUGAL PUMP AND MULTIPLE STAGE CENTRIFUGAL PUMP
CASE FOR CD WITH BOOK
VEHICULAR STORAGE DEVICE
KNAPSACK POWER SPRAYER
NOZZLE DEVICE FOR JET BATH
MIDSOLE OF SPORTING SHOES
BALL GAME DEVICE
ATTACHED LEVELER AND ROLLING CORRECTION FACILITY USING IT
HEAT INSULATING HOSE
PIPING STRUCTURE AND PIPING METHOD
GATE VALVE FOR VACUUM
SLOW EXHAUST VALVE
ELECTRIC ACTUATOR FOR DRIVING VALVE
HYDRAULIC CONTROL DEVICE FOR AUTOMATIC TRANSMISSION