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Priority to JP19114783UpriorityCriticalpatent/JPS6099223U/ja
Publication of JPS6099223UpublicationCriticalpatent/JPS6099223U/ja
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Publication of JPS629224Y2publicationCriticalpatent/JPS629224Y2/ja
Spout assembly, composite packaging material sheet, method for forming a composite packaging material sheet, composite package and method for forming a composite package