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中华人民共和国国家标准调 调整板 UDC 621.315.6 GB 2330.1—85 Adjust plate 代替 GB 2330—80 国家标准局 1985-01-23 发布...
ICs 11。 020C61中 华 人民 共 和国 国 家 标 准GB 16007- ˉ 2011代替 GB16007— 1995大骨节病病 区控制Control of】 K...
BSI Standards PublicationUnfired pressure vesselsPart 4: FabricationBS EN 13445‑4:2021National forewordThis British St...
PUBLISHED DOCUMENTPD 2777:1994Incorporating Amendment No.1Fabric flammability and burning accidentsICS 59.080.30����...
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GB 30367-2013 牙科学 陶瓷材料.pdf
BRITISH STANDARDBS ISO/IEC 646:1991Incorporating Amendment No. 1Implementation of ISO/IEC 646:1991Information technology...
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BRITISH STANDARDBS EN 1216:1999Incorporating Amendment No. 1Heat exchangers — Forced circulation air-cooling and air...
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IC S 8 3. 14 0. 0 1G 4 2巧a中 华 人 民 共 和 国 国 家 标 准GB/ T 20021- 2005帆布芯耐热输送带Heat resistant...
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BRITISH STANDARDBS EN 620:2002Incorporating Corrigendum No. 1Continuous handling equipment and systems — Safety and...
BRITISH STANDARDBS ISO 14695:2003 BS 848-6:2003Fans for general purposes — Method of measurement of fan vibrationI...
IEC-61000-4-2-静电标准中文版.pdf
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BS EN 1021-2-2006 (uncontrolled).pdf
BS EN 22553-1994 (Welding symbols).pdf

