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发明名称
AUFHAENGEVORRICHTUNG FUER LEHRTAFELN, FLACHBILDER OD. DGL.
摘要
申请公布号
DE6926861(U)
申请公布日期
1969.12.04
申请号
DE19690026861U
申请日期
1969.07.07
申请人
PAUL SAPPL
发明人
PAUL SAPPL
分类号
A47B97/02
主分类号
A47B97/02
代理机构
代理人
主权项
地址
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