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 amplifier circuits
摘要
申请公布号
US2153752(A)
申请公布日期
1939.04.11
申请号
US19350034523
申请日期
1935.08.03
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
GURTLER RUDOLF
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
INTEGRATED METHOD FOR REPAIRING MULITLAYERED COLORED AND/OR EFFECT-PRODUCING PAINT COATINGS
INHIBITION OF DOLLAR I(TYROPHAGUS PUTRESCENTIAE) IN PET FOOD PRODUCTS
Phase shift mask, method of exposure, and method of producing semiconductor device
METHOD FOR THE ADMINISTRATION AND ESTABLISHMENT OF SERVICES IN A SWITCHED SYSTEM
Nasal delivery device including spray nozzle
A ROUND STAND FOR STRETCHING OF BACKBONE
PORTABLE COMPUTER SYSTEM
METHOD AND SYSTEM FOR REMEDIATING CONTAMINATED SOIL
MIP-1 ALPHA RECEPTOR LIGANDS - DRUGS FOR T-CELL MEDIATED AND AUTOIMMUNE DISEASES
USE OF PHOSPHOLIPIDS IN THE TREATMENT OF DEGENERATIVE LUNG DISEASE AND TO ENHANCE DELIVERY OF DRUGS
SUPPORT STRUCTURE AND METHOD OF ASSEMBLY THEREOF
METHOD OF ESTIMATING SOLENOID HEAT ACCUMULATION AND COMPENSATION FOR SOLENOID FORCE
WATER-IN-OIL MICROEMULSION FOR PROVIDING COSMETIC ATTRIBUTES TO FABRIC SOFTENING BASE COMPOSITION
OPTICAL WAVEGUIDE TERMINATION WITH VERTICAL AND HORIZONTAL MODE SHAPING
CONTROL OF MYOGENESIS BY MODULATION OF P38 MAP KINASE ACTIVITY
INHALATION DRUG COMBINATIONS
METHOD AND APPARATUS FOR SCANNING CONFOCAL ACOUSTIC DIAGNOSTIC FOR BONE QUALITY
METHOD FOR EXPOSING PEPTIDES AND POLYPEPTIDES ON THE CELL SURFACE OF BACTERIA
LIQUID CRYSTAL DISPLAY DEVICE
SYSTEM AND METHOD FOR MONITORING OR TREATING A HEALTH CONDITION
