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发明名称
VORRICHTUNG ZUR VERWENDUNG BEIM SCHAERFEN VON SAEGEZAEHNEN ALLER ART.
摘要
申请公布号
DE1668510(U)
申请公布日期
1953.12.17
申请号
DE195200O1471U
申请日期
1952.10.17
申请人
HELMUT OHLSEN
发明人
HELMUT OHLSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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