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
Телефонный искатель
摘要
申请公布号
SU55702(A1)
申请公布日期
1938.11.30
申请号
SUD55702
申请日期
1937.10.25
申请人
TSYPKIN M.S.
发明人
TSYPKIN M.S.
分类号
H01H63/42
主分类号
H01H63/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Apparatus and method for user tone notification during data suspension or degradation
Apparatus for detecting guest interactions and method therefore
Instrumentation receiver for digitally modulated radio frequency signals
Asynchronous transfer mode controller and ATM control method thereof and ATM communication control apparatus
Device including at least two coaxial wheels and means for detecting the angular position thereof and method for detecting said angular positions
Dynamic random access memory suitable for use as a compatible transistor of a static random access memory and the method for operating the same
Fractional-spurs suppression scheme in frequency tracking multi-band fractional-N phase lock loop
Image forming apparatus and warming up method
Direct manipulation of compressed geometry
Integration of filter into read/write preamplifier integrated circuit
Liquid crystal display element having a precisely controlled cell gap and method of making same
Multistage operational amplifier with stability control
Preamplifier for high speed optical fiber communication system
Programmable impedance control output circuit and programmable impedance control method thereof in semiconductor device
Braun tube discharge apparatus
Method of hierarchical static scene simplification
Separation of particles dispersed in liquid
Electrically isolated double gated transistor
Integrated semiconductor chip with modular dummy structures
Magnet-based information input apparatus
