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
US2892121(A)
申请公布日期
1959.06.23
申请号
US19540418714
申请日期
1954.03.25
申请人
VARIAN ASSOCIATES
发明人
SALISBURY FREDERICK L.
分类号
H01J25/12
主分类号
H01J25/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MANUFACTURE OF MULTILAYER INTERCONNECTION TYPE INTEGRATED CIRCUIT
AUTOMATIC POWER CONTROL CIRCUIT
MICROWAVE FREQUENCY CONVERTING CIRCUIT
TAPE CASSETTE
ROTARY HEAD CYLINDER DEVICE
BLADE FACE POSITION DETECTING METHOD FOR TOOL AND DETECTING DEVICE
ACRYLIC MODIFIED CROSS-SECTION FIBER
COLOR IMAGE PICKUP DEVICE
PUBLIC TELEPHONE SET
DIGITAL-ANALOG CONVERTER
SEMICONDUCTOR DEVICE
CONTROL DEVICE FOR REVOLUTION OF DISK PLAYER
STORAGE DEVICE
GENERATING DEVICE FOR TRACKING ERROR SIGNAL OF OPTICAL DISK PLAYER
MAGNETIC RECORDING MEDIUM
DRUM HEAD
ANALYZING DEVICE FOR ANALOG SIGNAL
PITCH FIBER
FIBER HAVING PARTICULAR CROSS-SECTION AND PRODUCTION THEREOF
PRODUCTION OF PHENOLIC RESIN FOAM