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发明名称
Nueva caja para la explotación apícola
摘要
申请公布号
ES47001(U)
申请公布日期
1955.05.16
申请号
ES19010000470U
申请日期
1955.03.17
申请人
MARTÍNEZ CREMADES, VICTORIANO
发明人
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主分类号
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