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
Elektromechanisches Umwandlungselement mit einem plattenfoermigen Koerper aus keramischem piezoelektrischem Material
摘要
申请公布号
DE1023909(B)
申请公布日期
1958.02.06
申请号
DE1954N008914
申请日期
1954.05.17
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GRAVLEY CHARLES K.
分类号
H04R17/00;H04R17/04
主分类号
H04R17/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Techniques for performing actions based upon physical locations of paper documents
Methods and systems for device personalization
Display and search interface for product database
Methods and computer readable media for enhancing product reviews
Information storage medium and information recording/playback system
Insurance policy and method for providing an insurance policy having dormancy features
Method for reestablishment of IP address for idle mode MSS and method for transmitting information thereof in broadband wireless access system
Image forming apparatus and image management method
Organic/inorganic composite porous membrane and electrochemical device using the same
Implant having circumferentially oriented roughness
System and method for establishing a progressive jackpot award
Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising same
Ampholyte polymers for use in personal care products
Process for generating a serial number from random numbers
Fault-tolerant fiber-optical beam control modules
Projection system for EUV lithography
Multideflector
Mower head with movable guard
Apple tree named‘CIVNIRED S’
Drive system, power output system incorporating the drive system, a vehicle equipped with the power output system, and control method for a drive system
