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
Perfectionnements apportés aux cathodes à incandescence
摘要
申请公布号
FR702452(A)
申请公布日期
1931.04.09
申请号
FRD702452
申请日期
1930.09.22
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J1/14
主分类号
H01J1/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
GAS COCK
DEVICE FOR PICKING UP SAMPLE OF MOLTEN METAL
LOW ROTATION AUTOMATIC SCREW DRIVER
DEVICE FOR INDICATING AMOUNT OF INPUT MONEY IN SLOT MACHINE
DEVICE FOR REMOVING FILM FROM CASSETTE
REPRODUCER
AUTOMATIC TAPE CUTTING DEVICE
COLOR SIGNAL PROCESSOR MEANS USING MULTICOLOR LASER SEQUENCE OPERATION
POSITION DETECTION SYSTEM FOR SEMICONDUCTOR CHIP
METHOD OF MEASURING SPEED AND*OR TEMPERATURE OF EXHAUST GAS
AZIMUTH DETECTOR FOR MOVING BODY SUCH AS VESSEL
SUPERSONIC DETECTION AND INDICATION DEVICE
DISPLAY UNIT FOR DAY OF WEEK
LEAD FRAME FOR SEMICONDUCTOR DEVICE
PROCESSING SYSTEM FOR MICROINSTRUCTION INTERRUPTION
MICROPROGRAM CONTROLLER
DISPLAY UNIT
CATHODEERAY TUBE UNIT
NARROWWBAND PICKUP UNIT
ANTISLPPING AGENT
