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
Improvements in or relating to wave amplifying systems
摘要
申请公布号
GB484102(A)
申请公布日期
1938.05.02
申请号
GB19360029553
申请日期
1936.10.30
申请人
STANDARD TELEPHONES AND CABLES LIMITED;ALLEMAN HOLLY ROCHE
发明人
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PHOTOELECTRIC SURFACE
CONNECTING METHOD OF OPTICAL FIBERS
SIGNAL READ SYSTEM
VACUUMMTUBE SELFFOSCILLATOR
NONNCYCLIC DIGITAL FILTER
OBJECTIVE LENS DRIVING GEAR
PRESET CHANNEL SELECTION UNIT
RUBBERRMODIFIED ACRYLONYTRILE STYRENE INDENE COPOLYMER
IMAGE FORMING MATERIAL
VERY HIGH TEMPERATURE DRUM TESTER
TESSAR TYPE PHOTOGRAPHIC LENS PLACED BEHIND APERTURE
MAGNETIC RECORDING MEDIUM
CONTROLLER OF PEOPLE STREAM
TIME AXIS CORRECTING UNIT OF VIDEO SIGNAL
PRODUCTION OF BRANCHED POLYAMIDEIMIDE
DOPING GAS CNTROL METHOD IN SEMICONDUCTOR PROCESS
NEW REACTIVE DYE CONTAINING ONE OR MORE OF 1*33DICYANO BENZENE GROUP BONDED TO DYE BY 22 44*OR 66POSITION* PREPARATION THEREOF* AND DYEING FIBER MATERIALS
PRODUCTION OF LIGHT WEIGHT TILE MATERIAL
REMOVAL OF WATER FROM BROWN COAL
BEATING AND TREATING APPARATUS FOR AGRICULTURAL CROPS
