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发明名称
LEHRMITTEL ZUM DARSTELLEN VON KLANGELEMENTEN, INSBESONDERE VON LAUTEN EINER ZU ERLERNENDEN SPRACHE
摘要
申请公布号
DE2549599(A1)
申请公布日期
1977.05.12
申请号
DE19752549599
申请日期
1975.11.05
申请人
MANDL,THOMAS HERBERT
发明人
HERBERT MANDL,THOMAS
分类号
G09B21/00;A63H3/33;G09B17/00;G09B19/04;G09B23/32;(IPC1-7):G09B19/04
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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