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
Indirectly heated cathode
摘要
申请公布号
US2542656(A)
申请公布日期
1951.02.20
申请号
US19460653690
申请日期
1946.03.11
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
GALL BERNARDUS OCTAVIANUS MARIA
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
Heat pipe manufacturing method
Packaging structure for assembling to printed circuit board
Slider for fastener
Low pressure fluidized horizontal and vertical movement device
Sofa that converts to various positions using click-clack mechanisms, including chaise position with two individual chaises facing one another
Heat exchange devices
Garment side panel conveyor system and method
<i>Petunia </i>plant named ‘Fipetfanangel’
<i>Euphorbia </i>plant named ‘Bonpri 635’
<i>Begonia </i>plant named ‘Cool Breeze Glacier’
Vacuum cleaner
Electric hair clipper
Reflector for a recessed lighting fixture
Reflector for a recessed lighting fixture
Illumination sensor lamp
3-dimensional large capacity cell encapsulation device
3-dimensional large capacity cell encapsulation device
3-dimensional large capacity cell encapsulation device
Electrode patch array
Operating grip for endoscope
