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 Relais in Fernmeldeanlagen, insbesondere Fernsprechanlagen
摘要
申请公布号
DE735425(C)
申请公布日期
1943.05.14
申请号
DE1940S142515D
申请日期
1940.10.04
申请人
SIEMENS & HALSKE AG.
发明人
ETZEL FRANZ
分类号
H04M3/12
主分类号
H04M3/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Transistor-oscillator circuit esp. for radio or TV - uses two NPN transistors forming differential amplifier, and includes mixing stage
Fast access system for television information service - has comparator based circuit to identify system coding describing data block location
Eddy twisting chamber - has enlarged and narrowed sections to use full energy capacity
Pressuriser of pressurised water reactor has cooling sprinkler - supplied from cold side of primary circuit via cooler
Knife holder with child-proof removal system - has projections to be released prior to removing knives
Auxiliary bladed stirrer for liq. manure - is rotated by air blast from rotating nozzle in storage tank
BESCHICHTUNGSBESTANDTEIL