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发明名称
Aparato para el cálculo automático de los períodos fecundos
摘要
申请公布号
ES83983(Y)
申请公布日期
1961.11.01
申请号
ES19830000839U
申请日期
1960.10.27
申请人
BENEDICTO FERNÁNDEZ, SALVADOR
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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