Perfectionnement aux appareils acoustiques,申请号FRD775846-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	Perfectionnement aux appareils acoustiques
摘要
申请公布号	FR775846(A)	申请公布日期	1935.01.10
申请号	FRD775846	申请日期	1933.09.23
申请人	S. A. P. I. A. N.	发明人
分类号	H04R1/34	主分类号	H04R1/34
代理机构		代理人
主权项
地址

您可能感兴趣的专利

THERMAL HEAD AND THERMAL PRINTER WITH THE SAME

METHOD FOR PURIFYING SELENIUM BY WET PROCESS

MANUFACTURING METHOD FOR SEMICONDUCTOR DEVICE

PRODUCTION METHOD OF LOW-ODOR SUGAR ALCOHOL-MODIFIED SILICONE

CAB TILT DEVICE

GAP PLUGGING PAD FOR CARRY-IN EXIT

ELEVATOR FOR LARGE LOAD

METHOD FOR PRODUCING FINE PARTICLE AND METHOD FOR PRODUCING TONER

INSECTICIDAL COMPOSITION FOR AGRICULTURE AND HORTICULTURE

MULTILAYER STRUCTURE, CONTAINER USING THE SAME, AND METHOD FOR MANUFACTURING THE SAME

THERMAL HEAD AND THERMAL PRINTER INCLUDING THE SAME

ASPHALT COMPOSITION

RADIO TRANSMISSION DEVICE, AND TRANSMISSION CONTROL METHOD

HEAT PUMP AIR CONDITIONING DEVICE

COWL-FASTENING STRUCTURE

HYDRAULIC PRESSURE SUPPLY DEVICE OF TRANSMISSION

ELECTRONIC ELEMENT EMPLOYING ELECTRODE HAVING HIGH WORK FUNCTION AND HIGH ELECTRICAL CONDUCTIVITY

BATTERY SYSTEM AND ELECTRIC VEHICLE