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
Device for producing sound
摘要
申请公布号
US1963075(A)
申请公布日期
1934.06.19
申请号
US19320611411
申请日期
1932.05.14
申请人
OSCAR CHRISTENSON
发明人
CHRISTENSON OSCAR
分类号
H04R15/00
主分类号
H04R15/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
RULLO PER MACCHINA DI COLATA CONTINUA A RULLI CONTROROTANTI, IN PARTICOLARE PER LA PRODUZIONE DI NASTRI
Process for removing hydrogen sulphide from gas mixtures
SCHREIBGERAET, INSBESONDERE FUELLFEDERHALTER, MIT HARTKUNSTSTOFFMUNDSTUECK, DAS MIT EINEM ANTIRUTSCHPROFIL VERSEHEN IST
VERFAHREN ZUR ERZEUGUNG VON PRAEGEGRAVUREN AUF IMPRAEGNIERTEN DEKORPAPIEREN
DISPOSITIVO DI AZIONAMENTO A TENUTA DI MEZZI OSCURANTI E SIMILI POSTI ALL'INTERNO DI UN VETROCAMERA
GLUCANI AD ATTIVITA' IMMUNOSTIMOLANTE
RIMEDI CONTRO LE FECI DEI CANI NEI GIARDINI
NEWS AUTOMATIC RECEIVING DEVICE FOR HEARING CASSETTE TAPE
CONTROL CIRCUIT IN ABSENCE OF CONTROL SIGNAL OF VIDEO TAPE
CHIP CARRIER AND SEMICONDUCTOR DEVICE AND THEIR MANUFACTURE
BLOWFLY BAIT-BIN
IMPERVIOUS LAMINATE FILM
MODULAR SCREEN PANEL SYSTEM
RAPID IMMUNOSELECTION CLONING METHOD
2-AMINO-6-SUBSTITUTED-9-CYCLOPROPYL PURINE DERIVATIVES
CORPO MUNITO DI UN PROFILO AERODINAMICO IN PARTICOLARE PINNA STABILIZZATRICE PER NAVI
FOCUS DETECTOR
ADHESION OF THERMAL TRANSFER SHEET TO CUBIC CURVED SURFACE AND DEVICE USED THEREFOR
NAMARIDENCHINOSEIZOHOHO
ANGIOTENSIN I CONVERTING ENZYME-INHIBITORY TRI AND TETRAPEPTIDE AND PRODUCTION THEREOF
