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 electric signal transmission systems
摘要
申请公布号
GB597198(A)
申请公布日期
1948.01.20
申请号
GB19450020754
申请日期
1945.08.13
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;DENNIS CLARK ESPLEY
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
METHOD AND APPARATUS FOR TREATING SUBSTRATE
SEMICONDUCTOR MEMORY DEVICE
DOOR STRUCTURE OF ELECTRONIC APPARATUS
STACK CONTROL APPARATUS
MAGNETO-OPTICAL RECORDING MEDIUM AND MANUFACTURE THEREOF
MANUFACTURE OF MAGNETIC HEAD
THIN FILM MAGNETIC HEAD AND MANUFACTURE THEREOF
POWER SUPPLY SYSTEM
DISCRIMINATION MARK READER
PRINTED CIRCUIT BOARD CAD DEVICE
PHOTORECEPTOR
COLOR IMAGE FORMING DEVICE
SERVO SLOPE TYPE FM-CW RADAR
INDICATOR
METHOD AND DEVICE FOR INSPECTING SOLDERING
INPUT DATA RECORDING SYSTEM
TIMER CONTROLLER
DISPLACEMENT MEASUREMENT DEVICE OF OPTICAL TYPE
OIL-HYDRAULIC CONTROL DEVICE FOR MULTI-STEP AUTOMATIC TRANSMISSION
RECIPROCATION DEVICE
