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 relating to apparatus for use in the recording and reproduction of sound
摘要
申请公布号
GB474898(A)
申请公布日期
1937.11.09
申请号
GB19370017301
申请日期
1937.06.21
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
分类号
G11B31/00
主分类号
G11B31/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Apparatus for testing a memory module
Method and system for assigning a resource
Portable storage device and its method to display remaining storage capacity
Formulations and methods for treatment or amelioration of inflammatory conditions
Universal joint
Enhanced transport using membrane disruptive agents
Image forming apparatus
System state indicator
Apparatus and method for testing a flash memory unit
Conductive memory array having page mode and burst mode write capability
ESTABLISHING EMERGENCY SESSIONS IN PACKET DATA NETWORKS FOR WIRELESS DEVICES HAVING INVALID SUBSCRIBER IDENTITIES
SECURE DISTRIBUTED SYSTEM FOR MANAGEMENT OF LOCAL COMMUNITY REPRESENTATION WITHIN NETWORK DEVICES
A MEMORY DEVICE, AN INFORMATION STORAGE PROCESS, A PROCESS, AND A STRUCTURED MATERIAL
SYNTHETIC INSULATION WITH MICROPOROUS MEMBRANE
Manufacturing device for buried insulating layer type single crystal silicon carbide substrate
REGULATION OF FOOD PREFERENCE USING GLP-1 AGONISTS
GALLIUM INHIBITS BIOFILM FORMATION
FREE-STANDING SILICON CARBIDE ARTICLES FORMED BY CHEMICAL VAPOR DEPOSITION AND METHODS FOR THEIR MANUFACTURE
PRODUCTION OF AMINO SUGARS
SYSTEM AND METHOD FOR AGGREGATION AND ANALYSIS OF DECENTRALISED STORED MULTIMEDIA DATA