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 zur Herstellung von Gruppengespraechen in Fernsprechanlagen
摘要
申请公布号
DE596718(C)
申请公布日期
1934.05.09
申请号
DE1928S087671D
申请日期
1928.09.25
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
SCHEUNERT ALFRED
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
Process for producing olefin polymers and catalyst used therein
Video display system for wide and standard aspect ratio video signals
A method for eliminating crosstalk in a thin film transistor/liquid crystal display
Local area network with biasing arrangement for facilitating access contention between work stations connected to a common bus
Protective circuit for magnetoresistive element
Parallel computation circuit
Optical amplifier with reduced nonlinearity
Synergistic microbiocidal composition
Process for making carboxylic acid esters using a crosslinked acrylic resin as the catalyst
Hydroacoustic ranging system
NAPKIN DISPENSER
ANTENNA COUPLER
CONTINUOUSLY VARIABLE TRANSMISSION CONTROL DEVICE
AMPLIFIER WITH BOTH AC/DC POWER SUPPLIES
PROCESSOR FOR TICKET AND THE LIKE
METHOD AND APPARATUS FOR WINDING AIR-CORE COIL
ROLL DRIVER
MAGNETIC FLUID SEAL DEVICE
SEMICONDUCTOR INTEGRATED CIRCUIT, ITS DESIGNING METHOD AND ITS TEST METHOD
METHOD AND DEVICE FOR RESTARTING INVERTER
