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Priority to JP15358282UpriorityCriticalpatent/JPS5958140U/ja
Publication of JPS5958140UpublicationCriticalpatent/JPS5958140U/ja
Application grantedgrantedCritical
Publication of JPS6242031Y2publicationCriticalpatent/JPS6242031Y2/ja
Selluloosahydraattiletku, jonka ulkopinnalla on vanhennusta kestävä, synteettistä kopolymerisaattia oleva estokerros sekä menetelmä sen valmistamiseksi.