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  • ASTM D5907-2018 Standard Test Methods for Filterable Matter (Total Dissolved Solids) and Nonfilterable Matt...2023-08-20
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  • ASTM D841-2017 硝化級(jí)甲苯規(guī)格 Standard Specification for Nitration Grade Toluene2023-08-16
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  • ASTM C918/C918M-2020 Standard Test Method for Measuring Early-Age Compressive Strength and Projecting Later...2023-08-14
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  • ASTM D5621-2019 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids2023-08-12
  • ASTM B543/B543M-2018 Standard Specification for Welded Copper and Copper-Alloy Heat Exchanger Tube2023-08-11
  • CY/Z 24.15-2013 網(wǎng)絡(luò)出版監(jiān)管系統(tǒng)規(guī)范 第15部分:文檔編碼規(guī)范 Speafication for intemet publishing supervising sy...2023-08-11
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  • ASTM E1875-2020 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Son...2023-08-10
  • ASTM B187/B187M-2020 Standard Specification for Copper, Bus Bar, Rod, and Shapes and General Purpose Rod, B...2023-08-10