Improvements in or relating to devices for the transmission of sound from rooms having a high noise level,申请号GB19530030482-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 or relating to devices for the transmission of sound from rooms having a high noise level
摘要
申请公布号	GB763976(A)	申请公布日期	1956.12.19
申请号	GB19530030482	申请日期	1953.11.04
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	F17B1/013;H04R1/02	主分类号	F17B1/013
代理机构		代理人
主权项
地址

您可能感兴趣的专利

GLASS FOR VEHICLE

INSIDE/OUTSIDE AIR SWITCHING DEVICE FOR VEHICLE AIR CONDITIONER

ELECTRIC POWER STEERING DEVICE

OCCUPANT CRASH PROTECTION SYSTEM

METHOD FOR PREPARING SIMULATION MODEL OF TIRE

ASSEMBLY STRUCTURE OF VEHICULAR INTERIOR TRIMMING MEMBER

MOUNTING STRUCTURE OF FRONT END MODULE TO VEHICLE BODY FRONT

VEHICULAR AIR-CONDITIONER

AIR CONDITIONER, CASE CONTAINING DEODORIZER AND FILTER UNIT

VEHICLE BODY LOWER PART STRUCTURE

PAGE TURNING UTENSIL

INK JET RECORDING HEAD, AND INK JET RECORDING APPARATUS HAVING IT

IMAGE RECORDING DEVICE

EXTRUSION MOLDING MACHINE

THERMAL HEAD AND THERMAL PRINTER

COLOR THERMAL PRINTER

GRADATION PRINTING PROCESS BY SCREEN PRINTING AND GRADATION PRINTED MATTER