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发明名称
MECANISMO EM DUPLO DISCO LINHA ESPIRAL PARA EXPLORACAO POR VARREDURAS MAGNETICAS FOTOELETRICAS E ELETRONICAS
摘要
申请公布号
BR6805204(D0)
申请公布日期
1973.01.11
申请号
BR19680005204
申请日期
1968.12.30
申请人
DE CARVALHO PRIMA J
发明人
DE CARVALHO PRIMA J
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主分类号
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