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 gramophones and loud speakers
摘要
申请公布号
GB383708(A)
申请公布日期
1932.11.24
申请号
GB19310027719
申请日期
1931.10.06
申请人
JACQUES ROSTON;LINGUAPHONE, LIMITED
发明人
分类号
G10K13/00
主分类号
G10K13/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SEMICONDUCTOR MONITORING INSTRUMENT
Wellbore cleaning method and apparatus
ASSAY PRODUCTS AND PROCEDURES
PISTON HIGH-DENSITY PUMP WITH A CONTINUOUS FLOW RATE
PROVISION OF SERVICES
Method of controlling vortex bursting
Hybrid ventilated garment
DISPLAY CONTROLS OF GRAPHICAL OBJECTS IN A MODELED ENVIRONMENT
APPARATUS, AND ASSOCIATED METHOD, FOR LOCKING AND IDENTIFYING A CHANGE LIST USED PURSUANT TO DATABASE SYNCHRONIZATION OPERATIONS IN A RADIO COMMUNICATION SYSTEM
Optical amplifier
SYSTEM FOR MEASUREMENT OF ABERRATIONS AND TOPOMETRY
USE OF TRANSITION METAL COMPOUNDS IN IMAGEABLE COATINGS
REAL-EAR ZOOM HEARING DEVICE
APPARATUS AND METHOD FOR PREPARING MULTIPLE PIZZAS
Methods for enhancing virus-mediated DNA transfer, a cellular population transduced by said method and a composition comprising said cellular population
METHOD FOR AUTOMATIC INTRUSION DETECTION AND DEFLECTION IN A NETWORK
TOPICAL PARASITICIDE FORMULATIONS AND METHODS OF TREATMENT
System and method for monitoring cellular activity
Roller cone bits with wear and fracture resistant surfact
MODULE BASED FLEXIBLE SEMICONDUCTOR TEST SYSTEM
