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 recording apparatus for producing sound grooves for gramophone records
摘要
申请公布号
GB563351(A)
申请公布日期
1944.08.10
申请号
GB19420017092
申请日期
1942.12.01
申请人
PHILCO RADIO AND TELEVISION CORPORATION
发明人
分类号
G11B3/08
主分类号
G11B3/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Electronic flash apparatus
Multicolor display device using electroluminescent phosphor screen with internal memory and high resolution
Method of arc welding
Ignition key and headlight switch engaging device
Switch mounting and actuating apparatus
Call-signal receiver for station of telecommunication system
Process and apparatus for achieving frame synchronization in a PCM receiver of a PCM T.D.M. telecommunications network
Telephone system for diver communication
Crystalline prostanoic acid esters
Clamp for arc furnace electrode
Process for the production of carbon fibers
METHOD OF JOINNING POLYETHYLENE COAT COMMUNICATION CABLE
DEVICE OF AUTOMATICALLY INSPECTING PATTERN OF PRINT BOARD CONDUCTOR
SINGLEEPHASE STEP MOTOR
ILLUMINATION TYPE PUSHHBUTTON SWITCH
REFLOW POWER SUPPLY CONTROL SYSTEM
PREPARATION OF PLASTIC PIPE IRRADIATED WITH ELECTRON RADIATIONS
COATING APPARATUS
METHOD OF MAKING COLORED SHEET GLASS
METHOD OF BENDING GLASS PLATE
