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
Thermionic cathodes and methods of making
摘要
申请公布号
US2996795(A)
申请公布日期
1961.08.22
申请号
US19550518547
申请日期
1955.06.28
申请人
GENERAL ELECTRIC COMPANY
发明人
STOUT VIRGIL L.
分类号
C23C28/00;H01J1/14;H01J9/04
主分类号
C23C28/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
FILTERING AND PRESSURE STABILISING DEVICE FOR A VARIABLE FLOW-RATE VENTILATING INSTALLATION.
FILM CONSTRAINT AND FILM WRITING SYSTEM.
FASTENING MEANS.
PAPILLOMETER.
A SALES AND DISPENSER BOX FOR PASTILS AND THE LIKE.
CARRYING DEVICE
COIN SORTING DEVICE
METHOD FOR AUTOMATICALLY CORRECTING CHARACTER READ ERRONEOUSLY OF DOCUMENT READER
INFORMATION OFFERING METHOD FOR INFORMATION OFFERING SYSTEM
INFORMATION PROCESSOR
BRANCH CONTROLLER
MULTIPLIER
ELECTRIFYING MEMBER
SCREEN FOR PROJECTION
INTERFACE CIRCUIT FOR CAMERA
ILLUMINATOR FOR OPTICAL SYSTEM
AUTOMATIC SAMPLE INTRODUCTION METHOD AND ITS APPARATUS
VORTEX FLOWMETER
APPARATUS FOR MEASURING OUTER DIAMETER OF HARD CURRENCY
DISPLACEMENT GAUGE