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发明名称
Proyector perfeccionado con mecanismo de arrastre para películas cinematográficas
摘要
申请公布号
ES28772(Y)
申请公布日期
1957.02.01
申请号
ES19720000287U
申请日期
1951.11.10
申请人
GARCÍA ARÉVALO, MANUEL
发明人
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主分类号
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