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ISO 15649 2001 Petroleum and natural gas industries — Piping.pdf
ISO 29845 2011 Technical product documentation — Document types.pdf
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ISO 11904-2 2021 Acoustics — Determination of sound immission from sound sources placed close to the ear — Part 2 Technique using a manikin.pdf
ISO 180 2023 Plastics — Determination of Izod impact strength.pdf
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GB-T 19811-2005 在定义堆肥化中试条件下 塑料材料崩解程度的测定.pdf
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GB-T 36199-2018 土壤质量 土壤采样程序设计指南.pdf
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GB-T 42617-2023 增材制造 设计 金属材料激光粉末床熔融.pdf
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GB-T 17703.3-1999 国际物流政府管理报文 第3部分 普惠制原产地证明书报文.pdf
GB-T 2832-1996 陶管抗外压强度试验方法.pdf