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
Perfectionnements aux cirouits de transmission dans les deux sens avec répéteur
摘要
申请公布号
FR865584(A)
申请公布日期
1941.05.27
申请号
FRD865584
申请日期
1940.05.10
申请人
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES
发明人
分类号
H04B3/00
主分类号
H04B3/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
REAL-TIME RESONANT INSPECTION FOR ADDITIVE MANUFACTURING
DATA TRANSMISSION METHOD AND DEVICE
MICROPLATE
TONER MICRO-CONTAINER
HYDROGEL COMPOSITIONS FOR USE IN CELL EXPANSION AND DIFFERENTIATION
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCING SAME
POLYURETHANE HYBRID SYSTEM COMBINING HIGH COMPRESSIVE STRENGTH AND EARLY WATER RESISTANCE
CERAMIC MATRIX COMPOSITE HAVING A SILICIDE LAYER
MAGNETIC PROPERTY DETERMINATION DEVICE AND MAGNETIC PROPERTY DETERMINATION METHOD
METHOD AND DEVICE FOR CONDUCTING AH AUTHENTICATION ON IPSEC PACKET WHICH HAS GONE THROUGH NAT TRAVERSAL
HINGED COVER FOR COMPUTING DEVICE
FLAT SECONDARY BATTERY
COATED PTFE MEMBRANE
Method of handling HARQ resource in TDD system and related communication device
CIRCUIT CONSTANT VARIABLE CIRCUIT
ENERGY MANAGEMENT SYSTEM, DISPLAY DEVICE, DISPLAY METHOD, AND PROGRAM
INPUT/OUTPUT DEVICE AND STEERING MEASURING DEVICE
LENGTH MEASURING DEVICE AND LENGTH MEASURING SYSTEM
PROCESS FOR THE EMULSION POLYMERIZATION OF FREE-RADICALLY POLYMERIZABLE, ETHYLENICALLY UNSATURATED MONOMERS
OPTICAL DEVICE WITH PHOTON FLIPPING
