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
ELECTRET TYPE TRANSDUCER
摘要
申请公布号
JPS5758500(A)
申请公布日期
1982.04.08
申请号
JP19810117889
申请日期
1981.07.29
申请人
PHILIPS' GLOEILAMPENFABRIEKEN NV
发明人
PIETERU IDOSU KUINDERUSUMA
分类号
H04R19/00;H04R1/22;H04R19/02
主分类号
H04R19/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Document scoring based on query analysis
System and method for user logging of audio and video broadcast content
Vehicle diagnostic tool—running multiple tests
Method for image calibration and apparatus for image acquiring
Method for improving an optical imaging property of a projection objective of a microlithographic projection exposure apparatus
Phase change memory device having multiple metal silicide layers and method of manufacturing the same
Method for manufacturing a multi-wavelength integrated semiconductor laser
Components and catalysts for the polymerization of olefins
Biological bypass bridge with sodium channels, calcium channels and/or potassium channels to compensate for conduction block in the heart
Article and ultrasonic inspection method and system therefor
Wall mounting device
Gas turbine fuel metering unit
Multi passage fuel manifold and methods of construction
Fusing unit including pivoting frame and image forming apparatus having the same
Tetracycline repressor regulated oncolytic viruses
Isolating desired content, metadata, or both from social media
Reproducing device
Fuel transfer coupling
On-the-fly laser beam path error correction for specimen target location processing
Cell-permeable peptide inhibitors of the JNK signal transduction pathway
