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
DEVICE FOR TEACHING AND STUDENTS' KNOWLEDGE TESTING
摘要
申请公布号
SU1042064(A1)
申请公布日期
1983.09.15
申请号
SU19823403544
申请日期
1982.01.11
申请人
BONDARCHUK GEORGIJ V,SU;GRITSUK KIRILL,SU;SENTSOVA LIDIYA,SU
发明人
BONDARCHUK GEORGIJ V,SU;GRITSUK KIRILL I,SU;SENTSOVA LIDIYA I,SU
分类号
G09B7/02;(IPC1-7):G09B7/02
主分类号
G09B7/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Vehicular display apparatus
Method for identifying tags using adaptive binary tree splitting technique in RFID system and RFID system therefore
Filter system capable of automatically adjusting bandwidth and method of automatically adjusting bandwidth of a filter
Pulse generation circuit
Summation circuit in DC-DC converter
Impedance control circuit and integrated circuit chip including the same
Quiescent current (IDDQ) indication and testing apparatus and methods
Plunger with a quick locking system
Compensation circuits and control methods of switched mode power supply
Battery charger capable of notifying a user of a power connection state thereof
Stochastic signal density modulation for optical transducer control
Automatic lighting control system
Coupled cavity traveling wave tube
Piezoelectric/electrostrictive element having a specific coverage area of electrode on substrate, and manufacturing method of the same
Core and motor having the same
Brushless DC motor
Thin film transistor with channel including microcrystalline and amorphous semiconductor regions
Memory cell, memory device and method for manufacturing memory cell
Spirocyclic aminoquinolones as GSK-3 inhibitors
Pharmaceutical emulsion compositions comprising progestogen
