Improvements in electro-magnetic acoustic devices,申请号GB19290025384-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	Improvements in electro-magnetic acoustic devices
摘要
申请公布号	GB334691(A)	申请公布日期	1930.09.11
申请号	GB19290025384	申请日期	1929.08.20
申请人	THE GRAMOPHONE COMPANY LIMITED;JACK WHITE;EDWIN MALCOLM PAYNE	发明人
分类号	H04R11/08	主分类号	H04R11/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

VERFAHREN UND VORRICHTUNG ZUM ERZEUGEN EINES ENDLOSEN REIFENVERSTAERKUNGSGUERTELS.

SUPPORTO OSCILLANTE PER ALETTA PARASOLE

SISTEMA ANTIINQUINAMENTO NEGLI IMPIANTI DI DRANAGGIO E TRASPORTO INERTI CON L'IMPIEGO DI POMPE

SENSORE BIVALENTE PER LA SCIABOLA ELETTRICA.

LINING EQUIPMENT FOR FAST BREEDER REACTOR

DEVICE WITH GRANULAR BED FILTERS FOR RAW GAS PURIFICATION

NEW 1,4-DIHYDROPYRIDINE DERIVATIVE, NAMELY (-)-2-{(2- AMINOETHOXY) ETHOXY)-4-(2,3-DICHLOROPHENYL)-3- ETHOXYCARBONYL-5-METHOXYCARBONYL-6-METHYL}-1,4- DIHYDROPYRIDINE, PROCESS FOR PREPARING IT AND PHARMACEUTICAL COMPOSITIONS CONTAINING IT

CHIMERIC ANTIBODIES DIRECTED AGAINST HUMAN CARCINOEMBRYONIC ANTIGEN

ELECTRIC CHARGING APPARATUS CORANA DISCHARGE THEORY

FIBER-REINFORCED POLYAMIDE COMPOSITION

LAVA-VAJILLAS CON CIRCUITO DE DESCARGA DEL FLUIDO OPERATIVO

ATTITUDE HOLDING DEVICE FOR ARRAY TYPE PROBE

AUTOMATIC FOCUSING MEANS

OPTICAL RECORDING MEDIUM

KARAOKE RECORDED INSTRUMENTAL ACCOMPANIMENT) DEVICE

FLOW RATE CONTROLLER

CONTINUOUS FILAMENT YARN FOR TRACKLESS CARPET

WEIGH PLATE QUICK RELEASE MOUNT