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发明名称
DOPPELPOLSCHUH-EINRICHTUNG FUER SAEGEZAHNFOERMIGE MAGNETOGRAMM-TRAEGER.
摘要
申请公布号
DE1648829(U)
申请公布日期
1952.12.31
申请号
DE195200K9879U
申请日期
1952.10.27
申请人
DR. KARL KESSELSCHLAEGER
发明人
DR. KARL KESSELSCHLAEGER
分类号
主分类号
代理机构
代理人
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