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发明名称
TRAINING AID
摘要
申请公布号
JPS53125135(A)
申请公布日期
1978.11.01
申请号
JP19770039115
申请日期
1977.04.06
申请人
GAKKEN CO LTD
发明人
KIMURA YOSHINOBU
分类号
G09B7/06
主分类号
G09B7/06
代理机构
代理人
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