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发明名称
Methode und Gerät zum Unterrichten
摘要
申请公布号
DE69414507(D1)
申请公布日期
1998.12.17
申请号
DE19946014507
申请日期
1994.08.09
申请人
TEXAS INSTRUMENTS INC., DALLAS, TEX., US
发明人
HERMAN, SUSAN J., DALLAS,TX 75252, US;WALLACE, RICHARD H., PLANO,TX 75074, US;STELLA, MICHEL, DALLAS,TX 75248, US;BRANTINGHAM, GEORGE L., I-67501 AVEZZANO(L'AQUILA), IT
分类号
G09B5/06;G09B7/06;G09B17/00;(IPC1-7):G09B5/06;A63F7/00
主分类号
G09B5/06
代理机构
代理人
主权项
地址
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