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
Système de ligne partagée à appel sélectif et secret
摘要
申请公布号
FR1004797(A)
申请公布日期
1952.04.02
申请号
FRD1004797
申请日期
1947.05.14
申请人
发明人
GOURRIEREC RENE-JEAN-JOSEPH LE
分类号
H04Q5/10
主分类号
H04Q5/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
System for limiting loudspeaker displacement
Driving circuit for and semiconductor device for driving laser diode
Multi-fault protected high side switch with current sense
Introducing a noise signal into a read-back signal when data is written to a removable data storage medium
Tonescales for geographically localized digital rendition of people
Wideband antenna
Antenna unit
Programmable-code electromagnetic transponder
Varistor body and varistor
Match sensing circuit for a content addressable memory device
Test apparatus for testing multiple electronic devices
Electrical enclosure and interior assembly therefor
Method for calibrating a digital/analog converter and digital/analog converter
Input structure for a power amplifier and associated methods
GeBPSG top clad for a planar lightwave circuit
Bulkhead flatwire integration units
MOS field plate trench transistor device
Button assembly of dishwasher
Methods for producing carbonyl fluoride and apparatus for production
Process for the purification of sterols from hydrocarbon extracts using evaporative fractionation
