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发明名称
HAFTFUSS FUER EINEN ZIRKEL
摘要
申请公布号
DE6939500(U)
申请公布日期
1970.01.15
申请号
DE19690039500U
申请日期
1969.10.09
申请人
FIRMA J.S. STAEDTLER
发明人
分类号
主分类号
代理机构
代理人
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