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YDB 126-2013.Energy Efficiency Classification for Power Adapter of Telcommunicat...

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YDB 127-2013.Classifications of operations support systems for telecom network a...

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YY 91021-1997.Tooth forceps for adults.YY 91021适用于穿鳃式与迭鳃式成人拔牙钳。该产品供口腔科拔除成人的牙齿和牙根...

行业标准2023.08.08

YY 1045.2-2010.Dental handpieces-Part 2 :Straight and geared angle handpieces.1范...

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TB/T 3100.6-2008.Railway digital signaling cable Part 6 :Data transmission cable...

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TB/T 3112.3-2017.Coding equipment in railway station-Part 3: Isolator.1范围TB/T 31...

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TB/T 3112.4-2017.Coding equipment in railway station-Part 4: Component.1范围TB/T 3...

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TB/T 3112.5-2017.Coding equipment in railway station-Part 5: Equipment cabinet.1...

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YY 91103-1999.General test me thods for low-temperaturechamber.YY 91103适用于以氟利昂为工...

行业标准2023.08.08