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Application filed by 株式会社 山形グラビヤfiledCritical株式会社 山形グラビヤ
Priority to JP1979151098UpriorityCriticalpatent/JPS5813253Y2/ja
Publication of JPS5668877UpublicationCriticalpatent/JPS5668877U/ja
Application grantedgrantedCritical
Publication of JPS5813253Y2publicationCriticalpatent/JPS5813253Y2/ja
Container manufactured from a plastic coated fibrous material and provided with a longitudinal joint with a folded back portion, the container being also provided with a tearable portion facilitating the opening; process for the manufacture of such a tearable portion