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发明名称
ΑΤΟΜΙΚΟΝ ΑΡΙΘΜΗΤΙΚΟΝ ΠΑΙΓΝΙΔΙΟΝ.
摘要
申请公布号
GR19312(B)
申请公布日期
1958.12.06
申请号
GR19580119312
申请日期
1958.11.24
申请人
SPYROPOULOS SPYRIDONAS
发明人
SPYROPOULOS SPYRIDONAS
分类号
主分类号
代理机构
代理人
主权项
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