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 TUBE
摘要
申请公布号
CA323750(A)
申请公布日期
1932.06.28
申请号
CAD323750
申请日期
申请人
THE RADIO CORPORATION OF AMERICA
发明人
JAN HENDRIK DE BOER
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PERPENDICULAR MAGNETIC RECORDING MEDIA AND MAGNETIC STORAGE
MAGNETIC RECORDING MEDIUM
SERVO-CONTROL CTL SIGNAL REGENERATIVE CIRCUIT AND ELECTRONIC DEVICE PROVIDED WITH SERVO-CONTROL MECHANISM
TEST SYSTEM FOR ADDRESS MULTIPLEXER MEMORY WITH SERIAL ACCESS FUNCTION
CURVATURE MEASURING METHOD OF MAGNETIC TAPE
PERPENDICULAR MAGNETIC RECORDING MEDIA
SLIDER, HEAD ASSEMBLY AND DISK DRIVE
COIN RECEIVING TRAY FOR CONFIRMING BILL WATERMARK
MONEY PROCESSOR
SECONDARY BEAM COUNTING SENSOR
METHOD AND DEVICE FOR LAYOUT CREATION
DESIGN BASIS RECORDING AND RETRIEVAL SYSTEM
DATA PROCESSOR
DATA HOLDING CIRCUIT
CONTROL DEVICE FOR AUTOMATIC VENDING MACHINE
SIMULTANEOUSLY LOGICAL AND PHYSICAL CONSTITUTION FOR VOLTAGE ISLAND FOR MIXED SUPPLY VOLTAGE DESIGN
STRUCTURED SEQUENTIAL FILE
D/A(DIGITAL/ANALOG) CONVERTER
ELEMENT AND SYSTEM OF SURFACE EMISSION LASER, WAVELENGTH ADJUSTING METHOD, SURFACE-EMITTING LASER ARRAY, OPTICAL INTERCONNECTION SYSTEM, AND LOCAL AREA NETWORK SYSTEM
DEVICES AND METHODS, FOR RELAYING DATA, SENDING DATA, AND APPROVING SENDING