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发明名称
SICHTHUELLE FUER KARTEI-, BUERO- U. DGL. ZWECKE.
摘要
申请公布号
DE1671105(U)
申请公布日期
1954.02.04
申请号
DE195300L8334U
申请日期
1953.07.23
申请人
VALENTINA LAUFER
发明人
VALENTINA LAUFER
分类号
主分类号
代理机构
代理人
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