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  • EN 50131-2-3-2008/IS1-2014 Alarm systems. Intrusion and hold-up systems. Part 2-3:Requirements for microwav...2023-05-17
  • ETSI TS 124 305-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Universal Mobile Telecommu...2023-05-17
  • GB 28345-2012 食品安全國家標(biāo)準(zhǔn) 食品添加劑 乙酸肉桂酯2023-05-17
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  • ETSI TS 143 059-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Functional stage 2 descri...2023-05-17
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  • DB/T 56-2013 地震科技文獻(xiàn)分類標(biāo)引規(guī)則 Earthquake science and technology literature classification indexing r...2023-05-17
  • GB 10408.4-2000 入侵探測器 第4部分:主動紅外入侵探測器 Detectors for intruder alarm systems -- Part 4: Active...2023-05-17
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  • EN 13845-2017 Resilient floor coverings. Polyvinyl chloride floor coverings with particle based enhanced s...2023-05-17
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