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
BLOQUEADOR DE CHAMADAS INTERURBANAS (D D D) COM INVERSAO AUTOMATICA DE POLARIDADE
摘要
申请公布号
BR7309026(D0)
申请公布日期
1975.06.10
申请号
BR19730009026
申请日期
1973.11.19
申请人
ALTRONIC ELETRONICA LTDA
发明人
DE OLIVEIRA H
分类号
H04M1/66;(IPC1-7):H04M1/66
主分类号
H04M1/66
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SIGNAL PROCESSOR
SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE
APPARATUS AND METHOD FOR DRYING SUBSTRATE
GAIN ADJUSTABLE ACTIVE PIXEL SENSOR
METHOD AND DEVICE FOR CONVERTING IMAGE
PIXEL NUMBER CONVERTER AND PIXEL NUMBER CONVERSION METHOD
SEMICONDUCTOR ACCELERATION SENSOR
BLADE SET-UP SYSTEM
SEMICONDUCTOR DEVICE AND MANUFACTURE THEREOF
RECORDING SHEET AND HEATING AND FIXING METHOD OF TONER IMAGE FORMED ON THE SAME
COMPOSITED IMAGE FORMING DEVICE AND ITS METHOD
GAS LASER OSCILLATOR
HYBRID SUPERCONDUCTING MAGNET
IMAGE FORMING DEVICE
DEVELOPING ROLLER
NON-MAGNETIC ONE-COMPONENT DEVELOPING DEVICE
ROTARY POLYGON MIRROR DEVICE
ENCRYPTION PHOTOGRAPH PROCESSING SYSTEM
REMOTE CONTROL APPARATUS AND APPLIANCE PROVIDED WITH REMOTE CONTROL APPARATUS
TELEPHONE SYSTEM
