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发明名称
PERSONAL GUIDANCE SYSTEM
摘要
申请公布号
JPH02190888(A)
申请公布日期
1990.07.26
申请号
JP19890009702
申请日期
1989.01.20
申请人
HITACHI LTD
发明人
KOMATSU SHIGERU;SANPEI TORU
分类号
G09B5/04;G09F15/00;H04R27/00
主分类号
G09B5/04
代理机构
代理人
主权项
地址
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