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Priority to JP7904488UpriorityCriticalpatent/JPH068659Y2/ja
Publication of JPH02919UpublicationCriticalpatent/JPH02919U/ja
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Publication of JPH068659Y2publicationCriticalpatent/JPH068659Y2/ja
Disposizione e conformazione di un setaccio in un impianto di convogliamento ad aria di aspirazione funzionante sostanzialmente ad una pressione compresa fra 0,6 e 0,8 bar.