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
ISDN TERMINAL HAVING DIAGNOSTIC FUNCTION
摘要
申请公布号
EP0475749(A3)
申请公布日期
1992.12.02
申请号
EP19910308312
申请日期
1991.09.11
申请人
NEC CORPORATION
发明人
YAMADA, MASAYUKI
分类号
H04L29/06;H04L29/14;H04M3/24;H04M3/30;H04M11/00;H04Q11/04;(IPC1-7):H04Q11/04;H04M11/06
主分类号
H04L29/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL SCANNER AND IMAGE FORMATION DEVICE HAVING THE SAME
MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL
INTENTION TRANSMISSION SUPPORT APPARATUS AND METHOD
FOOT REST FOR SADDLE-RIDE TYPE VEHICLE
METHOD FOR PRODUCING OPTICAL FIBER
IMAGE RECORDING APPARATUS
NEGATIVE PRESSURE TYPE DIAPHRAGM PUMP
SAMPLE CONTAINER CONVEYANCE APPARATUS
FAUCET DEVICE
ROTATING ELECTRIC MACHINE AND COOLING MECHANISM
REPRODUCING DEVICE, REPRODUCING METHOD, AND RECORDING METHOD
REPRODUCING DEVICE, REPRODUCING METHOD, AND RECORDING METHOD
IP EXCHANGE SYSTEM AND IP EXCHANGER
IMAGE COMMUNICATION DISPLAY SYSTEM AND PROGRAM
HEADPHONE DEVICE
INTERCOM DEVICE
THERMAL ANALYSIS METHOD
RAILWAY VEHICLE INCLUDING AIR INTAKE DEVICE, EXHAUST DEVICE AND EXHAUST BLOWER, AND METHOD FOR CONTROLLING AIR INTAKE DEVICE, EXHAUST DEVICE AND EXHAUST BLOWER PROVIDED IN RAILWAY VEHICLE
PRINTER
METHOD AND APPARATUS FOR ENHANCING SIGNAL-TO-NOISE RATIO OF POSITION LOCATION MEASUREMENTS