GB/T 42309-2023修复过程中易损毁类纸质档案加固方法国家标准
英文:Consolidation methods for easily damaged paper-based archives in the process of restoration GB/T 42309-2023介绍: 国家标准《修...
英文:Consolidation methods for easily damaged paper-based archives in the process of restoration GB/T 42309-2023介绍: 国家标准《修...