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  • DB32/T 2968-2016 梅種質(zhì)資源圃種質(zhì)更新技術(shù)規(guī)程 Rules of Reproduction and Regeneration Technology for Prunus m...2023-06-28
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  • ASTM B1014-2020 Standard Specification for Welded Copper and Copper Alloy Condenser and Heat Exchanger Tube...2023-06-28
  • DIN 10120-2018 Analysis of foodstuffs - Detection of Salmonella with impedance-method2023-06-28
  • ASTM C856-2014 硬化混凝土巖相檢查規(guī)程 Standard Practice for Petrographic Examination of Hardened Concrete...2023-06-28
  • DB33/T 2037-2017 內(nèi)河限制性準(zhǔn)III級(jí)和準(zhǔn)IV級(jí)航道通航標(biāo)準(zhǔn) Navigation standard of restricted inland quasi-Ⅲ & q...2023-06-28
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  • DB13/T 1081.20-2009 食品用包裝材料及制品 塑料 第20部分: 環(huán)氧氯丙烷含量的測(cè)定 Food packaging materials and ...2023-06-28