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
Improvements in or relating to the recording and reproduction of sound
摘要
申请公布号
GB452639(A)
申请公布日期
1936.08.26
申请号
GB19360005190
申请日期
1936.02.20
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
G11B3/00
主分类号
G11B3/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SYSTEM AND METHOD FOR LEARNING,COMPOSING,AND PLAYING MUSIC WITH PHYSICAL OBJECTS
METHOD FOR TREATING WASTEWATER
METHOD FOR TREATING WASTEWATER
STRUCTURE FOR FASTENING EQUIPMENT IN AIRCRAFT
DETECTION OF CANCER THROUGH BREATH COMPRISING A SENSOR ARRAY COMPRISING CAPPED CONDUCTIVE NANOPARTICLES
SEMICONDUCTOR DEVICE HAVING EXTENDED AIR-GAP AND MANUFACTURING METHOD OF THE SAME
SYSTEMS AND METHODS FOR DUAL-CONNECTIVITY OPERATION
METHODS AND NODES RELATING TO SYSTEM INFORMATION ACQUISITION DURING FLEXIBLE SUBFRAME OPERATION
POLYMER COMPOSITION CONTAINING PLLA AND PDLA
METHOD AND SYSTEM FOR INTERACTION ANALYSIS
Counter circuit using a pair of Bipolar Junction Transistor
CATION CHELATOR HOT START
DEVICE AND METHOD FOR PRODUCING MEAT PRODUCTS
LARGE RECEIVE OFFLOAD ALLOCATION METHOD AND NETWORK DEVICE
照明アセンブリ、光源、及び照明器具
蛍光体シート
APPARATUS AND METHOD FOR MONITORING TIRE PRESSURE USING SPEED SECTION
CHARGING SYSTEM OF ELECTRIC VEHICLE
LAUNDRY TREATING APPARATUS
SOLAR SENSOR AND SOLAR TRACKER INCLUDING THE SOLAR SENSOR
