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 thermionic amplifiers and control means for use in connection therewith
摘要
申请公布号
GB380499(A)
申请公布日期
1932.09.19
申请号
GB19310017614
申请日期
1931.06.17
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;HENRY JOSEPH ROUND
发明人
分类号
H03G1/00;H03G3/06
主分类号
H03G1/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SENSOR CIRCUIT FOR TEMPERATURE
GREEN SHEET AND PRODUCTION OF MULTILAYER CERAMIC CIRCUIT BOARD
COMPLETE SODA SYSTEM
PREPARATIONS COMPRISING A FLUOROCARBON AND A LIPOPHILIC/FLUOROPHILIC ORGANIC COMPOUND, AND THEIR USES
PROCEDIMENTO PER LA PREPARAZIONE DI 5-OXO-2-PIRROLICONCARBOSSILATO DI PIRIDOSSINA
METHOD OF PLEATING GARMENTS AND PLEATED GARMENTS
MAGAZZINO AUTOMATICO PER LAMIERE
AMPLIFICATORE DI POTENZA MECCANICO NONCHE' MORSA PER MACCHINA CON AMPLIFICATORE DI POTENZA MECCANICO
PROIETTORE PER VEICOLI
CONTROLLED RELEASE VERAPAMIL TABLET
PLATELET ACTIVATING FACTOR ANTAGONISTS
PROCESS FOR THE PREPARATION OF INTERMEDIATES IN THE SYNTHESIS OF CHIRAL THIAZOLIDINE-2,4-DIONE DERIVATIVES
DISPOSITIVO PER MISURARE L'ANGOLO DI UN PEZZO, IN PARTICOLARE L'ANGOLODI PIEGATURA DI UN PEZZO DI LAMIERA.
SULFUR COMPOUND-COORDINATE ORGANIC DYE, ORGANIC DYE COMPOSITION, AND OPTICAL RECORDING MEDIUM
WEDGE TYPE PIN-KEY FOR MACHINE
CARBON DIOXIDE REDUCING METHOD
PITCH-BASED CARBON FIBER FOR HIGH-ORDER PROCESSING AND METHOD FOR PROCESSING THE SAME
SETTING METHOD FOR CLASSIFIED AREA SENSING THRESHOLD
PRODUCTION OF ACTIVE CARBON STRUCTURE
STRUCTURE OF CONNECTING SECTION OF PIPE