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 variably tunable electrical circuit arrangements
摘要
申请公布号
GB436228(A)
申请公布日期
1935.10.07
申请号
GB19340010512
申请日期
1934.04.06
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;NOEL MEYER RUST;ROBERT FRANCIS O'NEILL
发明人
分类号
H01F21/06
主分类号
H01F21/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PRODUCTION OF N-2-ARYLSULPHONYL-L-ARGINIAMIDES AND THEIR SALTS
MANUFACTURE OF NICKEL ELECTRODE
COMPOSITE WOUND BANDAGE
LIQUID SAMPLING AND TRANSFERRING APPARATUS
SORTING DEVICE
RECEIPT AND PAYMENT MANAGING DEVICE OF INDIVIDUAL ACCOUNT
GUIDE DISPLAY DEVICE
PRODUCTION OF HYDROGEL
MOLTEN SALT/OXIDE BATTERY
ELECTROLYTE FOR ZINC-BROMINE BATTERY
OPERATION PROCESSING DEVICE
CLEANING DEVICE OF ELECTROPHOTOGRAPHIC COPYING MACHINE
TREATMENT OF DILUTE AQUEOUS SOLUTION CONTAINING UREA
REACTION COLUMN
SPEED SENSOR
CHEMICAL SPRAYER FOR REMOVING HARMFUL GAS IN WASTE GAS
TREATMENT OF WASTE GAS
ACTIVATED SLUDGE TREATMENT
MANUFACTURE OF LIGHT WAVE GUIDE BRANCHING UNIT AND MULTI/DEMULTIPLEXER
FORMATION OF RESIST IMAGE