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
A SYSTEM FOR INSTRUCTION OF A PUPIL
摘要
申请公布号
EP0746390(A4)
申请公布日期
1999.03.31
申请号
EP19940923592
申请日期
1994.08.09
申请人
EASTERBROOK, NORMAN, JOHN
发明人
EASTERBROOK, NORMAN, JOHN
分类号
G09B5/02;A63B69/00;A63B69/36;G09B19/00;(IPC1-7):A63B69/00
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
EXTRUDER
RIGID FOAMS WITH GOOD INSULATION PROPERTIES AND A PROCESS FOR THE PRODUCTION OF SUCH FOAMS
COVALENTLY LINKED ORGANIC FRAMEWORKS AND POLYHEDRA
BIAXIALLY ORIENTED POLYARYLENE SULFIDE FILM AND LAMINATED POLYARYLENE SULFIDE SHEETS COMPRISING THE SAME
Transferred arc plasma torch for e.g. welding application, has electrode supplying unit supplying sacrificial electrode and comprising electrode moving device for moving electrode towards distal end of torch
UPGRADE METHOD FOR SOFTWARE IN THE DIGITAL BROADCASTING RECEIVER
METHOD AND APPARATUS FOR PROVIDING A PICTURE CROPPING FUNCTION
SHORT MESSAGE SERVICE SYSTEM AND METHOD THEREOF
Plasma Display Panel and Driving Method thereof
Apparatus for controlling a instant messenger
DISPLAY SCREEN
LUBRICATING COMPOSITION COMPRISING A POLYESTER DISPERSANT
OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING METHOD OF OPTICAL INFORMATION RECORDING MEDIUM
USE OF A COPPER-ZINC ALLOY
RECORDING MEDIUM, AND METHOD AND APPARATUS FOR REPRODUCING DATA FROM THE RECORDING MEDIUM
APPARATUS FOR CONTROLLING ACCESSARIES OF CAR
BINDING TOOL FOR STEEL REINFORCING
RUBBER COMPOSITION FOR TIRE TREAD
METHOD AND APPARATUS FOR CLEANING NEEDLE OF PROBE CARD USING LASER BEAM
SULFURISATION ET SELENISATION DE COUCHES DE CIGS ELECTRODEPOSE PAR RECUIT THERMIQUE
