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
A circuit-arrangement comprising a secondary electron-emission tube
摘要
申请公布号
GB548792(A)
申请公布日期
1942.10.23
申请号
GB19410012158
申请日期
1941.09.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J43/02;H03F1/08
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
RESONANCE PREVENTING SYSTEM FOR MAGNETIC DISC DEVICE
LINTELS
VEHICLE INCLUDING A CONTAINER MOUNTED FOR SIDE TIPPING
ROLLING MILLS
TURNSTILE
DOOR HANDLE ASSEMBLY
EXTRUDED DISPLAY MEMBER
APPARATUS FOR USE IN TRASPORTING STACKING AND BUNDING LAMINATIONS STAMPED BY A BLANKING PRESS
NEUTRALIZING STATIC CHARGE ON DIELECTRIC WEB MATERIAL
COOLING SYSTEMS FOR VEHICLE ENGINES IN COMBINATION WITH HEATING SYSTEMS FOR VEHICLE PASSENGER COMPARTMENTS
ACTUATOR DEVICES
POWER TRANSMISSION SYSTEMS
COUPLING BETWEEN TWO ROTARY SHAFTS
BENZYLALCOHOL DERIVATIVES
A contact spring for an electrical connector
Fused electrical plugs
ELECTRIC FITTINGS
PLASTICSBASED COMPOSITION
MULTI-CHANNEL X-RAY DETECTOR
BIO-PROSTHETIC VALVES
