首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Microphone fixe
摘要
申请公布号
FR966281(A)
申请公布日期
1950.10.05
申请号
FRD966281
申请日期
1948.05.04
申请人
发明人
DUCHEMIN ROGER
分类号
H04R21/00
主分类号
H04R21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
IMAGE RECORDER
LIQUID COOLER
Process for producing a synthetic resin sheet, especially for a multicolor pattern
High strength particulates
Method for monitoring a work vehicle suspension
Multi-color image forming apparatus for forming a latent image pattern by use of residual toner remaining in a developing device
Substituted thioureas, isothioureas and carbodiimides
Flourine-containing 5-trihalogenomethyl-isoxazoles and a process for their preparation
Method of manufacturing thin compound oxide film and apparatus for manufacturing thin oxide film
Pin junction photovoltaic element having I-type semiconductor layer comprising non-single crystal material containing at least Zn, Se and H in an amount of 1 to 4 atomic %
Compositions and methods of treating calcium renal stones
Air filtration system for disc drives
Method and apparatus of forming extruded article
Driving circuit of thin membrane EL display apparatus
Method and apparatus for electrosurgically resectioning an equine soft palate to alleviate occlusion of the breathing passageway
Drawn cup roller bearing
PRODUCTION OF TRICOT VELOUR HAVING DOUBLE RASCHEL TONE
DEODORIZING TEXTILE PRODUCT
NONWOVEN FABRIC FOR MEDICAL USE
CONTROLLER FOR DRUM-TYPE WEFT RESERVOIR
