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
High-frequency system
摘要
申请公布号
US2223521(A)
申请公布日期
1940.12.03
申请号
US19370174074
申请日期
1937.11.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KIRKPATRICK WILLIAM E.
分类号
H01J43/02
主分类号
H01J43/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A ROTARY MOTOR
OPTICAL GRASS CUTTER
SATELLITE DISH MOUNTING
PROCESS
PILL SAFE
VENTILATION DEVICE
METHOD
AEROFOIL SECTION SAILS WITH ALTERNATELY & VARIABLE CAMBER
PIPIT GAME
FERTILITY INDICATOR
PROGRAMMABLE OPTICAL LOGIC DEVICES
A METHOD OF RECYCLING ORGANIC LIQUIDS AND A METHOD OF MANUFACTURING ARTICLES BY ELECTROPHORETIC DEPOSITION
APPARATUS FOR PROCESSING AUXILIARY INFORMATION IN AN EXTENDED DEFINITION WIDESCREEN TELEVISION SYSTEM
MEDIUM FREQUENCY MINE COMMUNICATION SYSTEM
BODY FLUID SAMPLE COLLECTION TUBE ASSEMBLY
MACCHINA DI TRATTAMENTO DI FILAMENTI.
INTEGRAL THIN FILM INJECTION SYSTEM FOR THERMAL INK JET HEADS AND METHODS OF OPERATION
HIGH-VOLTAGE DIRECT CURRENT GENERATING DEVICE
TIME DIVISION MULTIPLEX EXCHANGE
LUMINANCE SIGNAL/CHROMINANCE SIGNAL SEPARATION CIRCUIT
