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-discharge device
摘要
申请公布号
US1789186(A)
申请公布日期
1931.01.13
申请号
US19260145940
申请日期
1926.11.03
申请人
ARISTOTE MAVROGENIS
发明人
MAVROGENIS ARISTOTE
分类号
H01J21/20
主分类号
H01J21/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Boxes for electrical purposes
Production of colour photographic records
Manufacture of common salt
External band brake
Improvements relating to a sealing packing for valves for the control of fluids
A method for producing explanatory texts on the frames of photographic film
Method of and apparatus for treating metals by heat
Improvements in or relating to apparatus for use in handling radio-active materials
A process and an apparatus for manufacturing asbestos-cement slabs
Machine for honing the flanks of gear teeth
Improvements in multi-frequency testing
Improvements in and relating to methods and apparatus for machining metal by spark erosion
Improvements in or relating to vehicle suspension
Improvements in or relating to jet propulsion nozzles
IMPROVEMENTS IN OR RELATING TO INTAKE MANIFOLDS FORINTERNAL COMBUSTION ENGINES
Control apparatus for the power units of helicopters
Transporting rotatable tower cranes
Steroid alkyl ethers and a process for their manufacture
Improvements in or relating to tickets
High temperature nuclear reactor
