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发明名称
AUFREIHBUEGEL FUER LOSEBLATT-ABLEGEBUECHER.
摘要
申请公布号
DE1713405(U)
申请公布日期
1955.12.22
申请号
DE195500H7495U
申请日期
1955.01.31
申请人
ERWIN O. HABERFELD
发明人
ERWIN O. HABERFELD
分类号
主分类号
代理机构
代理人
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