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Application filed by 홍 김, 민현식, 강영구filedCritical홍 김
Priority to KR1019950017630ApriorityCriticalpatent/KR970001740A/ko
Publication of KR970001740ApublicationCriticalpatent/KR970001740A/ko
Um método para a fabricação de um material de papel expandido com um núcleo em forma de favo á prova d'gua e de umidade e o material com núcleo em forma de favo assim obtido