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Application filed by 日本安全産業株式会社filedCritical日本安全産業株式会社
Priority to JP13124581UpriorityCriticalpatent/JPS5837717U/ja
Publication of JPS5837717UpublicationCriticalpatent/JPS5837717U/ja
Application grantedgrantedCritical
Publication of JPS6138338Y2publicationCriticalpatent/JPS6138338Y2/ja
Complesso a busta chiusa,con inserto formato da fogli continui,facilmente apribile per estrarre l'inserto e di aspetto simile ad una busta a lemmi ripiegati