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 AND LASER
摘要
申请公布号
EP0689726(B1)
申请公布日期
1997.12.17
申请号
EP19940906303
申请日期
1994.02.11
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
PERCIVAL, ROBERT MICHAEL;DAVEY, STEVEN TERRENCE;SZEBESTA, DARYL
分类号
G02F1/35;H01S3/06;H01S3/094;H01S3/109;H01S3/17;(IPC1-7):H01S3/17
主分类号
G02F1/35
代理机构
代理人
主权项
地址
您可能感兴趣的专利
THERMAL TRANSFER IMAGE RECEIVING MATERIAL
PRODUCTION OF SUPERCONDUCTING FILM AND SUPERCONDUCTING MULTILAYERED CIRCUIT WIRING
IRREDUCIBLE DIELECTRIC CERAMIC COMPOSITION
ALUMINA-BASED CERAMIC AND CUTTING TOOL MADE THEREOF
IMAGE RECEIVING MATERIAL AND IMAGE FORMING METHOD USING SAME
ORTHOSIS SHEET AND ORTHOSIS
ARTIFICIAL SKIN
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
IMAGE FORMING DEVICE
IMAGE FORMING DEVICE
TARGET POSITION DETECTION DEVICE
SICNO-BASED THIN FILM-COATED GLASS AND PRODUCTION THEREOF
AIR-FUEL RATIO CONTROL DEVICE FOR ENGINE WITH SUPERCHARGER
TERMINAL EQUIPMENT
CURSOR CONTROLLER
POWER COVERING BOOTH FOR VEHICLE USE FOR ADJUSTING AIR STREAM
FREQUENCY DIVIDING CIRCUIT
METHOD AND APPARATUS FOR CALIBRATING OPTICAL- COMPUTER INPUT SYSTEM
TREATMENT OF WASTE REFUSE CONTAINING LIQUID CRYSTAL SUBSTANCE
PACKET DISTRIBUTION MEASURING SYSTEM