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发明名称
ΗΛΕΚΤΡΙΚΗ ΔΙΑΦΗΜΙΣΙΣ.
摘要
申请公布号
GR8059(B)
申请公布日期
1939.03.14
申请号
GR19390108059
申请日期
1939.03.11
申请人
PETROUDIS CHRISTOS
发明人
PETROUDIS CHRISTOS
分类号
主分类号
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