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
WEB BASED E-LEARNING APPARATUS AND METHOD CAPABLE OF MANAGING LEARNING HISTORY
摘要
申请公布号
KR20110111741(A)
申请公布日期
2011.10.12
申请号
KR20100030969
申请日期
2010.04.05
申请人
EDESNET CO., LTD.
发明人
BAE, WAN SIK
分类号
G09B5/02;G09B7/00
主分类号
G09B5/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
WARNING LAMP ARRANGEMENTS FOR VEHICLE BATTERY CHARGING SYSTEMS
Girder-support gutter for a roof.
Device for the axial retention of blade roots in a turbine wheel.
System for preventing liquids from being driven to the flare stack tip.
Electrophotographic photosensitive material.
Desmodromic valve system.
Method and composition of inhibiting corrosion and deposition in aqueous systems.
Water-resistant watch case.
Energizing circuit for magnetic valves.
Apparatus for the boltless assembling of two box parts of an installation device.
Removal of dyestuffs from water by electroflotation process.
Tin or tin-lead alloy electroplating bath.
Shoe and injection mould for making its sole.
Device for transporting cassette.
Read resettable memory circuit.
복사기 등의 급지장치
사출 성형기의 열 탕구 밸브 조립체
합성 수지의 성형 방법
수평식 띠톱기계
구동 전동기 전류제어 기능을 가진 산업용 로보트장치
