DB31 T 1322-2021 生鲜电商配送货服务规范.pdf

相关资源

DB21 T 4490-2026 重大活动食品安全保障管理规范.pdf

DB21 T 4488-2026 梨叶片营养诊断技术规程.pdf

DB21 T 4468-2026 杨树人工林下辽东楤木栽培技术规程.pdf

DB21 T 4444-2026 水生态环境质量监测与评价技术规范.pdf

DB21 T 4423-2026 近零能耗建筑技术规程.pdf

DB21 T 4489-2026 餐饮外卖食安封签使用规范.pdf

DB21 T 4481.2-2026 日光温室蔬菜机械化生产技术规程 第2部分：果菜类蔬菜.pdf

DB21 T 4492-2026 皂角育苗技术规程.pdf

DB21 T 4479-2026 东北玉簪嫩芽菜栽培技术规程.pdf

DB21 T 4472-2026 现代产业学院建设指南.pdf

猜你喜欢

ISO 9327-2-1999 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 2 Non-alloy and alloy (Mo Cr and CrMo) ste.pdf

ISO 9327-3-1999 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 3 Nickel steels with specified low tempera.pdf

ISO 9327-4-1999 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 4 Weldable fine grain steels with high pro.pdf

ISO 9327-5-1999 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5 Stainless steels《压力用途的钢锻件和轧制或锻造的棒材 交货技术条.pdf

ISO 9329-1-1989 Seamless steel tubes for pressure purposes technical delivery conditions part 1 unalloyed steels with specified room temperature properties《压力用途.pdf

ISO 9329-2-1997 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2 Unalloyed and alloyed steels with specified elevated tempera.pdf

ISO 9329-3-1997 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3 Unalloyed and alloyed steels with specified low temperature .pdf

ISO 9329-4-1997 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4 Austenitic stainless steels《压力用途的无缝钢管 交货技术条件 第4部分 奥氏体不锈钢》.pdf

ISO 9330-1-1990 Welded steel tubes for pressure purposes technical delivery conditions part 1 unalloyed steel tubes with specified room temperatures properties《.pdf