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发明名称
Vorrichtung zum musikalischen Gruppenunterricht
摘要
申请公布号
DE1173777(B)
申请公布日期
1964.07.09
申请号
DE1962H046903
申请日期
1962.09.13
申请人
DR. KLEMENS HEINEN
发明人
HEINEN DR. KLEMENS
分类号
G09B15/00
主分类号
G09B15/00
代理机构
代理人
主权项
地址
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