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经营范围
发明名称
COMMUNICATION TRAINING APPARATUS
摘要
申请公布号
JPS61205972(A)
申请公布日期
1986.09.12
申请号
JP19850045930
申请日期
1985.03.08
申请人
TECH RES & DEV INST OF JAPAN DEF AGENCY;NEC CORP
发明人
MURATA KAZUMI;FUJISAWA SHIGERU;OKUBO TADATOSHI
分类号
G09B9/00;H04B1/38;H04B1/40;H04B17/00
主分类号
G09B9/00
代理机构
代理人
主权项
地址
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