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 sound-translating devices
摘要
申请公布号
GB489588(A)
申请公布日期
1938.07.29
申请号
GB19370021186
申请日期
1937.07.30
申请人
STANDARD TELEPHONES;CABLES LIMITED
发明人
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
STORAGE APPARATUS USING WATERSIDE TYPE STORAGE TANK
SIMPLICITY SHOWER APPARATUS
MATTRESS GABION COMBINED WITH ECOLOGY RESTORATION MAT
OPEN CAR INFANTILE BATH STAND AND ALSO BED
MULTI INFORMATION BOX
REINFORCEMENT-WATERCOURSE
WALL MOUNTING TYPE WATER SUPPLY VALVE
URINARY CALCULUS REMOVER OF A MAN URINAL
METHOD AND DEVICE OF PROVIDING ARRIVAL TIME FOR SHUTTLE VEHICLE USING NAVIGATOR WITH MOBILE PHONE
BOUNDARY BLOCK FOR ROAD
A PIPE CONNECTION STRUCTURE OF ROTATION MOLDING METHOD
Noise compensation device in a motor vehicle
SYSTEMS AND METHODS FOR MANAGING FILES ON A STORAGE DEVICE
METHOD FOR CONTROLLING A MOTOR VEHICLE, AND DEVICE THEREFOR
TRAPTREDENELEMENT, TRAPRENOVATIEORNAMENT, KIT EN WERKWIJZE.
METHOD FOR DISPLAYING BATTERY RESIDUAL QUANTITY IN PORTABLE TERMINAL HAVING SELF-LUMINESENCE DISPLAY AND APPARATUS ADAPTING THE SAME
MACHINED LENS MOLDS AND METHODS FOR MAKING AND USING SAME
DEVICE AND METHOD FOR CONTROLLING DISSEMINATION OF CONTENTS BETWEEN PEERS HAVING WIRELESS COMMUNICATION CAPACITIES, DEPENDING ON VOTE VECTORS
ENCODING DEVICE
APPARATUS AND METHOD FOR MACHINING POLYMERS WITH CONTROLLED CRYOGENIC COOLING
