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
OPTICAL AMPLIFIER
摘要
申请公布号
JPH0359619(A)
申请公布日期
1991.03.14
申请号
JP19890196019
申请日期
1989.07.28
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
NISHI NORIO;TAKATO NORIO;OKUNO MASAYUKI
分类号
G02F1/09;G02F1/35
主分类号
G02F1/09
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Device for the redundant measurement of the incidence angle and slip angle of flying vehicles, in particular aircraft
Self-extinguishing gas-blast circuit breaker
Papillary-line comparative computer lock
Overvoltage suppressor for high current loads
Device for laying bait for molluscs
Circuit arrangement having an integrator and a threshold value switch
High-speed tyre for passenger cars
Lamp socket for incandescent bulbs having free wire ends, or for light-emitting diodes, especially for model railway lights or for model railway signals
Method of manufacturing ribbed tubes
Discarding sabot for ejecting ammunition
Brake pressure control device
Electrolytic pipe mixer-settler
Method of setting a raking pile and of anchoring it on the foot side, and raking pile for carrying out the method
Air-conditioning ventilator combination for heating and cooling motor vehicles and rooms
HEATING ELEMENT FOR HEATING STREAMING, ESPECIALLY GASEOUS MEDIA
DEVICE FOR REDUCING THE RADIAL BACKLASH BETWEEN MESHING TRETHOF GEARS AND APPLICATION OF THE SAME IN A REDUCTION GEARING WITHOUT BACKLASH
FUEL INJECTION PUMP
DOOR CLOSER
VULCANIZABLE POLYMER MIXTURES, PREPARATION AND USE THEROF, AND VULCANIZATES OBTAINED THEREFROM
DEVICE FOR CONTACTING FLUIDS BEING IN DIFFERENT PHASE FORMS
