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发明名称
IMPIANTO D'ASPIRAZIONE DELLE POLVERI GENERALE NELLO SCARICO PER GRAVITA' DI MATERIALI GRANULARI O POLVERULENTI.
摘要
申请公布号
IT8921850(D0)
申请公布日期
1989.09.27
申请号
IT19890021850
申请日期
1989.09.27
申请人
RAVASINI FERDINANDO
发明人
FERDINANDO RAVASINI
分类号
B01D
主分类号
B01D
代理机构
代理人
主权项
地址
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