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
Improvements in or relating to telecommunications exchange systems
摘要
申请公布号
GB1097857(A)
申请公布日期
1968.01.03
申请号
GB19660014201
申请日期
1966.03.31
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
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
Feed forward amplification apparatus for compensating non-linear distortion
Vertical tee reducer for a fiber duct system
Buffer tube for use in optical cables providing easy and reliable access to the optical fibres
Quick-acting disconnectable coupling for at least one tube
Supporting wall assembly
Method and apparatus for preparing an acellular red blood cell substitute
Assembly for a vehicle display
Method and apparatus for purifying air
System and method for notifying a user of the status of other mobile terminals
Wet rotor motorpump with protection arrangement against corrosion
Switching power supply for a 12V Halogen lamp in a vehicle with a 42V network
Physically foamed fine cellular polyethylene foam
Device for the alignment of masks in the photolithography
Multiple resolution photodiode sensor array for an optical encoder
Method and apparatus for crediting debit service accounts
High voltage discharge lamp device
Commit messages with additional information and propagation of concurrency preferences in composite systems
A connected body comprising a terminal and a belt-like conductor laminate and a method for connecting a terminal to a belt-like conductor laminate
System for managing attraction admission
A method of producing glass of optical quality