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
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und bevorzugten Teilnehmern
摘要
申请公布号
DE577225(C)
申请公布日期
1933.05.26
申请号
DE1929F068881D
申请日期
1929.07.27
申请人
H. FULD & CO. TELEPHON- UND TELEGRAPHENWERKE AKT.-GES.
发明人
BRENDEL KARL
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Procédé de fabrication de savons
Compteur à liquides fonctionnant par l'introduction d'une pièce de monnaie
Procédé pour l'obtention de chlorure d'ammonium
A lead antimony alloy for pressed tubes, more particularly for cable sheaths
Improvements in or relating to impression cylinders for printing machines
Improvements in or relating to photo-electric cells
Improvements relating to electrically driven sewing machines
Improved vehicle wheel and method of making the same
Improvements relating to the construction of spools
An improved process for the production of artificial cream or artificial sweet milk
Improvements in tins or containers for comestibles
Improvements in and relating to apparatus for removing and simultaneously folding the lowest piece of a stack of sheets
Improvements relating to the head lamps of motor vehicles
Improvements in and relating to vessels adapted for internal pressures and closures therefor
Improvements in coal-scuttles
Improvements in and relating to liquid tanks, specially intended for heat-accumulating
Toy ball with sparking device arranged in the ball
Improvements in and relating to hot water boilers
Improvements in or relating to the manufacture of lightsensitive layers containing diazo compounds
Tools for grooving the inner walls of holes
