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发明名称
BLEISTIFTANSPITZER.
摘要
申请公布号
DE1601323(U)
申请公布日期
1950.02.09
申请号
DE194900D0029U
申请日期
1949.06.17
申请人
DR. SIEGFRIED BEILFUSS
发明人
DR. SIEGFRIED BEILFUSS
分类号
主分类号
代理机构
代理人
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