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发明名称
Fremdsprachen-Lotto
摘要
申请公布号
DE1964925(A1)
申请公布日期
1971.07.01
申请号
DE19691964925
申请日期
1969.12.24
申请人
DWINGER GEB. HAMANN
发明人
HAMANN DWINGER GEB.
分类号
G09B19/08
主分类号
G09B19/08
代理机构
代理人
主权项
地址
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