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
KEY INPUT READ AUTOMATIC CHANGEOVER TELEPHONE SET
摘要
申请公布号
JPH0445641(A)
申请公布日期
1992.02.14
申请号
JP19900152830
申请日期
1990.06.13
申请人
HITACHI LTD;HITACHI MICRO SOFTWARE SYST CO LTD
发明人
KAWAHARA TETSUYA;TADAMURA KATSUMI;ONO SHUJI;NAKANE KEIICHI;ANZAI GENTARO
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL AMPLIFIER
EXHAUSTER FOR IMAGE FORMING DEVICE
VIDEO TRANSMISSION DEVICE
TERMINAL FITTING STRUCTURE FOR PRINTED CIRCUIT BOARD
SUBSTRATE FOR GAP RED LIGHT EMITTING ELEMENT AND MANUFACTURE THEREOF
CLOTHES ADAPTATION JUDGEMENT SYSTEM
TRANSACTION RESTORATION PROCESSING SYSTEM
METHOD OF MANUFACTURING LIGHT EMITTING DIODE
ORGANIC ELECTROLYTE BATTERY
TELEVISION RECEIVER
MANUFACTURE OF OXYGEN SENSOR
GATE DRIVE CIRCUIT FOR GTO THYRISTOR
RELAY CONTROL CIRCUIT
EMULATOR WITH NORMALITY CHECKING FUNCTION FOR TEST PROGRAM
DEVICE AND METHOD FOR ARITHMETIC PROCESSING
APERTURE ANTENNA
PHASE LOCKED LOOP CIRCUIT AND INTEGRATED CIRCUIT DEVICE
SOURCE CLOCK REPRODUCING CIRCUIT
AUTOMATIC INSPECTION SYSTEM OF PROTECTIVE RELAY DEVICE
SYNCHRONIZED CIRCUIT AND DATA REPRODUCING DEVICE
