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GB/T 15645-1995磁带录像机与配接设备的互连Interconnection between video tape recorders and attached instrumen...2022-06-05

YY/T 1783-2021内镜手术器械重复性使用腹部穿刺器Endoscopic surgical instruments. Reusable abdominal trocar...2022-03-23

GB/T 12810-2021实验室玻璃仪器玻璃量器的容量校准和使用方法Laboratory glassware. Capacity methods testing and...2022-03-18

GB/T 40359-2021计时仪器光致发光涂层试验方法和要求Timekeeping instruments. Photoluminescent deposits. Test ...2022-03-18

GB/T 40673-2021计时仪器辐射发光涂层检验条件Timekeeping instruments. Conditions for carrying out checks on r...2022-03-14

ASTM F2332-2006(2013)Standard Specification for Annular Ball Bearings for Instruments and Precision Rotating...2022-03-14

现场总线在污水厂中的应用2020-09-25

现场总线在污水厂中的应用2020-03-24

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