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 amplifier
摘要
申请公布号
US1987880(A)
申请公布日期
1935.01.15
申请号
US19300449403
申请日期
1930.05.03
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
VILLEM RAYMOND
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Improvements in means for arresting movement of driven shafts
Improvements in or relating to advertising and like signs
Improvements in brake mechanism
Improvements in or relating to propelling means for land vehicles, also applicable to ships and boats
Improvements relating to devices for winding model aeroplanes
Procédé d'encollage des fibres textiles
Improvements in or relating to the reinforcing of flexible material
Combined radiator and fireplace
Improvements in or relating to grenades
Improvements in clutch throw-out bearing
Improvements in foldable chairs
A new or improved device for measuring heights
Brake mechanism
Improvements in universal joints
Improvements in mercury vapour rectifiers
Improved means for making records on gramophones
Mit Schnappriegeln versehener Rolladen fuer Garagen
Rollfilmspule
Werkzeug mit Tiefenanschlag zum Aussenken von Loechern fuer Versenkschrauben
Verfahren zur Bestimmung des Fallsinnes von Sedimentschichten
