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发明名称
Instrumento para obtener figuras estereoscópicas
摘要
申请公布号
ES31890(U)
申请公布日期
1952.08.01
申请号
ES19900000318U
申请日期
1952.05.20
申请人
FULLANA SASTRE, JOSÉ
发明人
分类号
主分类号
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