Perfectionnements aux microphones,申请号FRD759145-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	Perfectionnements aux microphones
摘要
申请公布号	FR759145(A)	申请公布日期	1934.01.29
申请号	FRD759145	申请日期	1932.10.22
申请人		发明人	BELIN EDOUARD
分类号	H04R21/04	主分类号	H04R21/04
代理机构		代理人
主权项
地址

您可能感兴趣的专利

OPTICAL SCANNER AND BEAM WAIST POSITION ADJUSTING METHOD

CARRIAGE AND RECORDER

DRIVE DEVICE OF LIQUID JET HEAD AND IMAGE FORMING APPARATUS

LIQUID DROPLET EJECTING HEAD, MANUFACTURING METHOD FOR LIQUID DROPLET EJECTING HEAD, AND LIQUID DROPLET EJECTOR

WORKPIECE POSITIONING DEVICE

ABNORMALITY DETECTOR FOR ROBOT

INKJET HEAD AND ITS MANUFACTURING METHOD

METHOD FOR SLITTING WEB, AND SLITTING APPARATUS

AMORPHOUS CARBON COVERING TOOL AND COVERING METHOD FOR AMORPHOUS CARBON COATING

POLISHING APPARATUS

METHOD AND APPARATUS FOR ROBOT SEAM WELDING

INORGANIC PARTICLE DISPERSING AGENT AND INORGANIC PARTICLE DISPERSED COMPOSITION CONTAINING THE SAME

METHOD FOR RUSTPROOFING INSIDE SURFACE OF HOLLOW STEEL PIPE OF STEEL TOWER

HOLLOW FIBER MEMBRANE MODULE

Y-SHAPE STRAINER

METHOD FOR PRODUCING FILM AND METHOD FOR PRODUCING ELEMENT SUBSTRATE

DISPENSER UNIT FOR SIMULTANEOUSLY DISPENSING TWO SUBSTANCES

HOUSING DEVICE IN DESK