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
Amplificateur thermoïonique équilibré
摘要
申请公布号
FR682042(A)
申请公布日期
1930.05.22
申请号
FRD682042
申请日期
1929.09.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F3/28;H03F3/32
主分类号
H03F3/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ATTITUDE CONTROL SYSTEM FOR MOMENTUM-BIASED SPACECRAFT
OPTICAL MEMBER MADE OF HIGH-PURITY AND TRANSPARENT SYNTHETIC SILICA GLASS AND METHOD FOR PRODUCTION THEREOF AND BLANK THEREOF
Suspension and spring element therefor
GRINDING ALKALINE EARTH METAL PIGMENTS
SORTER WITH SET DISPLACING IN-BIN STAPLER
LASER LIGHT GENERATOR
ELEMENT FOER LUFTVAERMEVAEXLARE
IMPROVED POWER METER
EQUIPMENT FOR FORMING HOLES IN CONCRETE
VIBRATORY SCREEN
TIE-IN PLUG
EXERCISE APPARATUS
IMPROVEMENTS RELATING TO CONTAINERS
NEW PHARMACEUTICAL USE
ALL IN ONE AUGER BIT
INK IRON DEVICE STAMP
IMOBILISATION AND SEPARATION OF CELLS AND OTHER PARTICLES
HEAD-UP DISPLAYS
GLOBES
METHOD AND APPARATUS FOR A CARDIAC DEFIBRILLATOR HIGH VOLTAGE CHARGING CIRCUIT