![]() processes, data elements and documents in commerce, industry and administration―Long term signature profiles―Part 1: Long term signature profiles for CMS Advanced Electronic Signatures (CAdES) 商业、工业和行政的过程、数据元和单证 长效签名规范 第1部分:CMS高级电子签名(CAdES)的长效签名规范 |
![]() processes, data elements and documents in commerce, industry and administration―Long term signature profiles―Part 2: Long term signature profiles for XML Advanced Electronic Signatures (XAdES) 商业、工业和行政的过程、数据元和单证 长效签名规范 第2部分:XML高级电子签名(XAdES)的长效签名规范 |
![]() Systems engineering―A guide for the application of GB/T 22032 (System life cycle processes) 系统工程 GB/T 22032(系统生存周期过程)应用指南 |
![]() Micrographics―processing and storage of silver-gelatin type microforms 缩微摄影技术 银-明胶型缩微品的冲洗与保存 |
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