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发明名称
Klangspielkasten,insbesondere fuer Lehrzwecke
摘要
申请公布号
DE1958998(A1)
申请公布日期
1971.06.03
申请号
DE19691958998
申请日期
1969.11.25
申请人
HEINEN,KLEMENS,DR.
发明人
HEINEN,KLEMENS,DR.
分类号
G09B15/04
主分类号
G09B15/04
代理机构
代理人
主权项
地址
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