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
Electron tube
摘要
申请公布号
US2058482(A)
申请公布日期
1936.10.27
申请号
US19340719275
申请日期
1934.04.06
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIC M.B.H.
发明人
MICHELSSEN FRITZ
分类号
H01J29/48
主分类号
H01J29/48
代理机构
代理人
主权项
地址
您可能感兴趣的专利
GLASOEGONBAOGE.
MOD INFEKTIONER AF PSEUDOMONAS AERUGINOSA VIRKSOMME PRAEPARATER OG FREMGANGSMAADE TIL FREMSTILLING DERAF
AUTOMATIC TRAVELING VEHICLE AT BOTTOM PART OF WATER TANK OR THE LIKE
FUNCTIONAL COMPOSITE MATERIAL
HUMIDIFYING AND DEODORIZING METHOD AND APPARATUS
PRODUCTION OF PIPERAZINE DERIVATIVE
DI-SUBSTITUTED PIPERAZINE AND MANUFACTURE
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
OPTICAL DISK
TERMINAL FOR LIVING BODY
DATA INPUT DEVICE WITH INPUT GUIDE DISPLAY
VENDING MACHINE WITH CRIME PREVENTING FUNCTION
ARITHMETIC PROCESSOR
PH MEASURING DETECTOR
STRUCTURE FOR PURIFYING EXHAUST GAS
MONITOR FOR ELECTRIC EQUIPMENT
VEIN VALVE CUTTER AND VEIN VALVE CUTTING METHOD
WINDOW SETTING DEVICE
POWER SOURCE BACKUP DEVICE FOR MICROCOMPUTER
REGULARLY OPERATING METHOD FOR PUMPING-UP ELECTRIC POWER STATION OF BRANCHED CONDUIT TYPE
