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
AN OPTICAL COMPONENT
摘要
申请公布号
GB8916937(D0)
申请公布日期
1989.09.13
申请号
GB19890016937
申请日期
1989.07.25
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Acoustic device
Automatic closure means for tank filling line
Perfluoro amine compounds
A process for the preparation of trichloromethane phosphonic acid monohydrate and anhydrous trichloromethane phosphonic acid; and the resulting monohydrate and anhydrousacid
Process for the manufacture of chitosan derivatives
Data recording equipment
Improvements in or relating to printing machines
Improvements in or relating to tufter hook
Improvements in and relating to tractor implement depth control systems
Improvements in or relating to unsaturated polyesters and copolymers thereof
Improvements in or relating to chocks, props and like roof supporting structures formines
Improvements in or relating to devices for rendering x-ray images visible
A combined process for distilling and cracking petroleum oils
Improvements in and relating to turnstiles
Conveyors for the lateral separation of articles
Rotary compressor plants including recuperation turbines
Improvements in percussion tool shanks
Process for softening hard paraffin wax by cracking
Improvements relating to sprinklers for fire extinguishing installations
Improvements in the preparation of c-nitrosodiarylamines