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
Elektroakustischer Wandler
摘要
申请公布号
AT179577(B)
申请公布日期
1954.09.10
申请号
ATD179577
申请日期
1953.02.19
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Ester of 9-(2-hydroxyethoxymethyl) guanine
Fire resistant door
Method of producing a porous metal and a metal product using the same such as a catalyst carrier
DEVICE FOR DETECTING THE ANGULAR POSITION OF A ROTATING COMPONENT
CHROMATOGRAPHIC SEPARATION OF SUGARS USING POROUS GEL RESINS
ESTERS OF FATTY ACIDS WITH ETHOXYLATED POLYOLS
Förfarande och material för skydd av glasytor
METHOD AND APPARATUS FOR PRODUCING PARTS BY SELECTIVE SINTERING
SOYBEAN CURD COMPOSITION CONTAINING WORMWOOD, PERSIMMON AND NEW PROCESSING METHOD OF IT
Remote display of an image by transmitting compressed video frames representing background and overlay portions thereof.
Air purifier using water as cleaning fluid
MULTI-COLORED PRODUCT AND PROCESS FOR PRODUCING THE SAME
Method for the treatment of textile fibres
Ion transport membranes with porous mixed conducting layer containing a catalyst.
BOTTOM FEED - UPDRAFT GASIFICATION SYSTEM
Bipolar plate for fuel cells comprises single integral metal sheet having raised regions forming contact surfaces and gas flow paths
IN-LINE TYPE ELECTRON GUN
MACHINE FOR MANUFACTURING WOOD CHIPS
SYNC.-ON-GREEN SIGNAL DETECTION CIRCUIT
SYNCHRONIZATION SIGNAL EXPANSION CIRCUIT FOR MONITOR