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发明名称
UEBUNGSMITTEL FUER DEN UNTERRICHT IN BOOLESCHER ALGEBRA.
摘要
申请公布号
DE1956776(U)
申请公布日期
1967.03.09
申请号
DE196600B9031U
申请日期
1966.12.17
申请人
BADISCHE ANILIN- & SODA-FABRIK A.G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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