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
Direct current amplification system
摘要
申请公布号
US2540825(A)
申请公布日期
1951.02.06
申请号
US19490072204
申请日期
1949.01.22
申请人
GENERAL ELECTRIC COMPANY
发明人
LAFFERTY JAMES M.
分类号
H03F3/40
主分类号
H03F3/40
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISPOSITIF ET PROCEDE DE DESCENTE ET DE CONNEXION DES QUATRE LIGNES-GUIDES SUR DES POTEAUX-GUIDES D'UNE STATION SOUS-MARINE
COUPEUSE MENAGERE
STRETCHER FRAME FOR AN ARTIST'S PAINTING CANVAS
A FOREIGN LANGUAGES SELF-TEACHING KIT
METHOD AND APPARATUS FOR DETERMINING THE FLOW VELOCITY OF A MOLTEN, RADIATION-EMITTING MATERIAL
DEPOSITION FLOCCULANT FOR USE IN WATER TREATMENT
TRANSDUCER CALIBRATION SYSTEM
MEANS FOR HOLE CENTRING,ESPECIALLY IN TECHNOLOGICAL PINS 0F BLADES
METHOD OF MANUFACTURE OF LARGE-SUTFACE BLOCKBOARDSJACKETED BY THIN CHIPBOARD
EXHAUSTION APPARATUS FOR THERMAL DEBURRING OF ENGINEERING PARTS
WAY OF PREPARATION OF CHROMOGENOUS STARCH FOR DETECTION OF ALPHA AMYLASE ISOENZYMES
METHOD OF CARBON STEEL VACUUM DEOXIDATION FOR PRODUCTION OF BIG FORGINGS
SECTIONAL HOLLOW TOOL FOR PIERCING OF ROUGH FORGINGS AND CASTINGS
CONNEXION FOR INDICATION OF OBJECT POSITION MEASURED BY MEANS OF LINEAR IMAGE READER
PROTECTIVE INSULATING MATERIAL FOR PIPELINES AND BEARING EGUIPMENTS
ELECTROMAGNETIC CONVERTER FOR SELECTION OF ACTIVE ELEMENTS OF KNITTER
METHOD OF INDICATION OF AGRESSIVE LIQUID LEAKAGE
ROTARY SPATTERING UNIT
DEVICE FOR GATE CONTROL
ELECTRONIC CIRCUIT FOR THE RANGE OF WEFT STOP MOTION
