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 electrical high frequency circuits
摘要
申请公布号
GB379325(A)
申请公布日期
1932.08.29
申请号
GB19310012537
申请日期
1931.04.28
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;ERNEST GREEN
发明人
分类号
H03F1/08
主分类号
H03F1/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
THRUST SLIDING BEARING, AND THRUST SLIDING BEARING-PISTON ROD AND COIL SPRING COMBINATION MECHANISM
METHOD OF DETERMINING MOTION VECTOR AND REFERENCE PICTURE INDEX
GRAFT-POLYMERIZED FUNCTIONAL NONWOVEN FILTER AND ITS MANUFACTURING METHOD
POSITION DETECTION METHOD AND POSITION DETECTOR
VIDEOCONFERENCE APPARATUS, CONTROL METHOD, AND PROGRAM
DRAIN WIRE WATER-CUTOFF METHOD AND DRAIN WIRE WATER-CUT-OFF STRUCTURE OF SHIELDED WIRE
SCREEN SHARING SYSTEM, SCREEN SHARING PROGRAM AND PROGRAM DISTRIBUTION METHOD
INFORMATION DISPLAY BODY
HEAT-SENSITIVE PRESSURE-SENSITIVE ADHESIVE MATERIAL
IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, PROGRAM, AND RECORDING MEDIUM
BACILLUS NATTO VACCINE
CHEMICAL REACTION APPARATUS, APPARATUS FOR GENERATING HYDROGEN, AND FUEL CELL SYSTEM
SOLID OXIDE FUEL CELL
METHOD OF FLATTENING FOLDED-PLATE ROOF, METHOD OF FIXING OBJECT TO IT, AND THEIR STRUCTURES
NICKEL-HYDROGEN SECONDARY BATTERY
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD AND PROGRAM
PROCESS FOR PRODUCING UNSATURATED ALDEHYDE AND/OR UNSATURATED CARBOXYLIC ACID
CONTROL DEVICE OF FUEL CELL VEHICLE
FUEL CELL SYSTEM AND METHOD OF DISCHARGING WATER PRODUCED IN FUEL CELL SYSTEM
EXHAUST PIPE FOR FUEL CELL VEHICLE, AND ITS MANUFACTURING METHOD
