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发明名称
RUECKEN FUER AKTENORDNER.
摘要
申请公布号
DE1664571(U)
申请公布日期
1953.10.08
申请号
DE195300R6916U
申请日期
1953.07.05
申请人
DR. JULIUS OTTO ROEDER
发明人
DR. JULIUS OTTO ROEDER
分类号
主分类号
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