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发明名称
GERAET ZUM ERLEICHTERTEN AUFFINDEN DER TIPREIHEN FUER TOTOWETTSCHEINE.
摘要
申请公布号
DE1639916(U)
申请公布日期
1952.06.19
申请号
DE195200K8061U
申请日期
1952.04.18
申请人
ERNST KOEHLER
发明人
ERNST KOEHLER
分类号
主分类号
代理机构
代理人
主权项
地址
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