Schaltungsanordnung fuer Fernsprechanlagen mit Vierdrahtbetrieb,申请号DE1953T008403-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Schaltungsanordnung fuer Fernsprechanlagen mit Vierdrahtbetrieb
摘要
申请公布号	DE949491(C)	申请公布日期	1956.09.20
申请号	DE1953T008403	申请日期	1953.09.20
申请人	TELEFONBAU UND NORMALZEIT G.M.B.H.	发明人	WIRTH ALEXANDER
分类号	H04M3/40	主分类号	H04M3/40
代理机构		代理人
主权项
地址

您可能感兴趣的专利

COORDINATED SERIES OF ELEMENTS FOR ASSEMBLING AGRICULTURAL STRUCTURES MADE BY ASSEMBLY OF SAID ELEMENTS

PULSE CONTROLLED POTENTIOMETER

RTD TEMPERATURE MEASUREMENT SYSTEM

APPARATUS FOR COATING AGRICULTURAL PRODUCTS

TWO-POSITION HELICOPTER MAIN ROTOR AND METHOD AND TOOL FOR CHANGING THE POSITION OF SUCH ROTOR

CEPHALOSPORIN ANTIBIOTICS

METHOD OF PRODUCING 1-METHYL-2-ALKOXY(OR HYDROXY) METHYL-5-PHENYL-1H-2,3-DIHYDRO-1,4BENZO-DIAZEPINES AND CERTAIN NOVVEL COMPOUNDS OF THIS TYPE

UNSATURATED CARBOXYLIC ACIDS AND THEIR PREPARATION

PROCESS FOR THE CONCENTRATION OF A PLACENTA SPECIFIC GLYCOPROTEIN

PLURAL SPRAY PATTERN AEROSOL SPRAY HEAD

PROCESS FOR THE MANUFACTURE OF THE COLD INSOLUBLE GLOBULIN AND PHARMACEUTICAL PREPARATION CONTAINNG IT

BOX FOR PACKAGING FRUIT

NOUVEAUX RETINOIDES ET LEUR UTILISATION POUR LA PREVENTION DE LA CARCINOGENESE

METHOD OF MANUFACTURING COMPOSITE PHOTO-ELASTIC MODEL

VULCANIZED COMPOSITION

METHOD OF STABILIZER PRODUCTION

METHOD OF PREPARING BETA-GALACTOSIDASE

2,2-TETRAMETHYLENE-4-PHENYLBENZ-(F)-ISOINDOLINIUM BROMIDE POSSESSING CARDIO-VASCULAR ACTIVITY

ACID-RESISTANT COMPOSITION