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发明名称
LANGUAGE PRACTICING APPARATUS
摘要
申请公布号
JPS6385785(A)
申请公布日期
1988.04.16
申请号
JP19860232424
申请日期
1986.09.30
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
ISHIKAWA TADAYOSHI;YAMAZAKI KOICHI;ITO KENJI;YABUHARA MIYUKI;MURAI NORIO
分类号
G09B5/04;G09B5/08
主分类号
G09B5/04
代理机构
代理人
主权项
地址
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