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Priority to JP4778181UpriorityCriticalpatent/JPS6136566Y2/ja
Publication of JPS57160315UpublicationCriticalpatent/JPS57160315U/ja
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Publication of JPS6136566Y2publicationCriticalpatent/JPS6136566Y2/ja
Berriera acustica fonoassorbente e frangivento, adatta a ricevere l'idrosemina per produrre sulla stessa superfici erbose, ornamentali ed ecologiche