Perfectionnement à l'enregistrement des sons,申请号FRD691802-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 à l'enregistrement des sons
摘要
申请公布号	FR691802(A)	申请公布日期	1930.10.27
申请号	FRD691802	申请日期	1930.03.12
申请人		发明人	BRILLOUIN JACQUES-GEORGES-CHAR
分类号	G11B7/28	主分类号	G11B7/28
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Transfer case chain adjustment

Wheeled hand cart for wet/dry utility vacuum cleaner

Organic compounds

Hydraulic reinforcement of channel at lower tie-plate in BWR fuel bundle

Insulator for use in automotive suspension or the like

4-azasaccharines, 4-aza-dihydro- or -tetrahydro-saccharines

Bicycle safety toe clip

Mixing kneader with kneading forks

Slip sheet removal apparatus

Selective absorption film of a solar heat collector

Feedback control for scanning tunnel microscopes

Electronic map display system for use on vehicle

Pain-relieving composite having a relatively rapid action

Dielectric passivation

Method for recognizing the power stroke of a cylinder of an internal combustion engine

BASE PART OF CHAIR

Molded articles of thermoplastic elastomer

LOW COLOR TEMPERATURE HIGH SATURATION COLOR RENDERING TYPE FLUORESCENT LAMP

OPTIMUM THRESHOLD VALUE DECIDING SYSTEM