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
Transformateur électroacoustique
摘要
申请公布号
FR1091925(A)
申请公布日期
1955.04.15
申请号
FRD1091925
申请日期
1954.01.22
申请人
发明人
SCHAAF ALEXANDER
分类号
H04R7/04
主分类号
H04R7/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
HEADER TERMINAL PROVIDED AT COF SUBSTRATE
HOLDING MECHANISM AND AUTOMATIC REPLACEMENT MECHANISM FOR CONTACTOR
SUBSTRATE PROCESSING APPARATUS
X-RAY DEVICE
MANUFACTURE OF SEMICONDUCTOR DEVICE
VACUUM PRINTER AND VACUUM PRINTING METHOD
PROJECTION OPTICAL SYSTEM, ALIGNER AND MANUFACTURE OF THE PROJECTION OPTICAL SYSTEM
HEATER CONTROLLER
VENT DEVICE FOR VACUUM PRELIMINARY CHAMBER AND SUBSTRATE PROCESSING DEVICE
SHADOW MASK
DEFLECTION YOKE
CONTROL PANEL EQUIPPED WITH MOLDED-SHEET PUSH BOTTOM UNIT AND MANUFACTURE THEREOF
MIRROR-LIKE FILM FOR REFLECTOR OF FLUORESCENT LAMP
DATA RECORDER AND DATA RECORDING METHOD
SUBSTRATE CLEANING DEVICE
TAPE CASSETTE
DISK DRIVING DEVICE
OPTICAL DISK DEVICE
OPTICAL DISC APPARATUS
OPTICAL DISC DRIVE
