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
Method of producing cathode sleeves for thermionic valve
摘要
申请公布号
US2220910(A)
申请公布日期
1940.11.12
申请号
US19400321125
申请日期
1940.02.27
申请人
HENRY KERSHAW
发明人
KERSHAW HENRY
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Faecal markers
Optical position-measuring device
Stacked-chip imaging systems
Device for warming food by means of inductive coupling and device for transferring energy
Heating apparatus with multiple element array
Propeller heater lead
Laser processing system having auxiliary controller
Laser processing method and laser processing system
Method for cutting processing target
Annealing apparatus using two wavelengths of continuous wave laser radiation
Medium voltage circuit breaker
Disconnector for switchgear
Multiple-layered electromagnetic shielding
Method for the synthesis of low cost initiators for telechelic polyisobutylenes
Process for preparing 4-isopropylcyclohexylmethanol
Method for producing isophorone
Process for preparing di-substituted succinates
Process for the manufacture of 1,2-epoxy-3-chloropropane
Imidazolone-chalcone derivatives as potential anticancer agent and process for the preparation thereof
Triterpene saponins, methods of synthesis, and uses thereof
