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
Elektronenroehrenverstaerker
摘要
申请公布号
DE925355(C)
申请公布日期
1955.03.21
申请号
DE1949SC00332
申请日期
1949.11.01
申请人
MARIE SCHWARZ
发明人
SCHWARZ WOLFGANG DR.-ING.
分类号
H03F3/66;H04B1/16;H04R25/00
主分类号
H03F3/66
代理机构
代理人
主权项
地址
您可能感兴趣的专利
COOLING DEVICE FOR HYDRAULIC POWER PLANT
SPEAKER
ACCESS SYSTEM OF TELEPHONE NETWORK
SETTING CIRCUIT OF TEST LOOP
SCHMITT TRIGGER CIRCUIT
MOS VOLTAGE CONTROL OSCILLATING CIRCUIT
TREATMENT OF RADIATION PHOTOSENSITIVE MEMBER
WICK FOR COMBUSTION APPARATUS
ROBOT SHAPED CLOCK
MULTICYLINDER INTERNAL COMBUSTION ENGINE WITH WET TYPE CYLINDER LINER AND SINGLE CYLINDER HEAD
SILICONE-POLYIMIDE COPOLYMER, CONDENSABLE VULCANIZABLE COMPOSITION AND MANUFACTURE
GLASS FOR WELDING OF FERRITE
APPARATUS FOR CHANGING OVER PIPELINE OF ENDOSCOPE
PHARMACEUTICAL COMPOSITION.
METHOD OF SEPARATING SLAG
IMPRESSED CURRENT CATHODIC PROTECTION ANODE ASSEMBLY
STEAM TRAPS
SYNTHETIC YARN AND YARN-LIKE STRUCTURES AND A METHOD AND APPA- RATUS FOR THEIR PRODUCTION
PROCEDIMENTO PER LA PREPARAZIONE, CON RESA E PUREZZA ELEVATE, DI ANTIBIOTICI BETA-LATTAMICI.
REGOLATORE CHE PERMETTE DI MANTENERE COSTANTE LA VELOCITA' DIROTAZIONE DI UN MOTORE IDRAULICO AZIONATO DA UNA POMPA A PORTATA VARIABILE, ANCHE AL VARIARE DEL NUMERO DI GIRI DEL MOTORE PRIMARIO.
