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
键盘
摘要
申请公布号
CN3176726D
申请公布日期
2001.02.14
申请号
CN00305246.X
申请日期
2000.04.12
申请人
阿库波尔研究公司
发明人
戴维·J.·豪厄尔;朱莉安娜·J.·麦克多诺
分类号
14-02-K0018
主分类号
14-02-K0018
代理机构
中国国际贸易促进委员会专利商标事务所
代理人
易咏梅
主权项
地址
美国俄亥俄
您可能感兴趣的专利
METHOD OF MANUFACTURING DIAMOND TOOL
BASIC OR QUATERNISED AZODYESTUFFS OF THE 2-(4'-AZOPHENYL) BENZOTHIAZOLE SERIES, PROCESS FOR THEIR PREPARATION AND THEIR USE IN DYEING AND PRINTING TEXTILE MATERIAL, PAPER AND LEATHER
DEVELOPER APPARATUS FOR DIAZOTYPE COPY MATERIALS.
METHOD OF CONDENSING SOLID MATERIALS AND APPARATUS FOR PERFORMING THE METHOD
CONTROLLING COMPUTER
KEY-BOARD DIAL GENERATOR
PULSE SIGNAL DETECTOR
PULSE FREQUENCY DIVIDER WITH STATISTICAL STORAGE
SQUARE-PULSE SHAPER
DEVICE FOR RECEIVING SIGNALS WITH SUPPRESSED CARRIER FREQUENCY
TRIANGULAR VOLTAGE GENERATOR
METHOD AND DEVICE FOR CONTROL OF DC ELECTRIC DRIVE
VOLTAGE CONVERTER
METHOD OF SWITCHING-OVER USER FROM ONE AC MAINS TO THE OTHER
DEVICE FOR ELECTRIC POWER SUPPLY OF USERS
DEVICE FOR LONGITUDINAL DIFFERENTIAL CURRENT PROTECTION OF POWER TRANSMISSION LINE
METHOD OF DETERMINING THERMOELECTRIC Q-FACTOR OF HIGH-RESPONSE THERMOPILE
SEALED POWER CONTACT AND METHOD OF MANUFACTURING
PERMANENT STORAGE
AUTOMATED CLASS FOR EXAMINING PUPILS