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 loud-speakers
摘要
申请公布号
GB387127(A)
申请公布日期
1933.02.02
申请号
GB19320003501
申请日期
1932.02.05
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;DONALD ARTHUR OLIVER
发明人
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PACKING CAN DRAWING MACHINE
PACKING CAN DRAWING MACHINE
SEPARATE STRUCTURE OF INDOOR FOR VENDING MACHINE
ROTARY TYPE DAMPER
AN EYE BANDAGE FOR INCLUSION JADE
A CHARCOAL DIAPER
MODEL STEAM LOCOMOTIVE
PUZZLE
A STATOR INSERTING MACHINE FOR A MOTOR
CAUTERY BODY
A BOTTLE COVER
A PELT HAVING SOLID PATTERN
A CHARGING STRUCTURE FOR BATTERY OF A MOBILE PHONE
MULTI INPUT SELECTOR CIRCUIT IN LCD PROJECTION SYSTEM
CALENDAR
BOUBLE-FREE SOLDER PRINT PATTERN OF MOUDLE
SEMICONDUCTOR DIE BONDING APPARATUS
MAGNETIC ARRAY STRUCTURE OF SEMICONDUCTOR DEPOSITOR
NOVEL TOLL-LIKE RECEPTOR AND GENE THEREOF
METHOD FOR BIOTECHNOLOGICAL PRODUCTION OF LIGAND BINDING, ESPECIALLY EXTRACELLULAR, FRAGMENTS OF RECEPTOR SUBUNITS, ESPECIALLY NEURORECEPTORS AND HORMONE RECEPTORS IN ISOLATED NATIVE FORM
