NBT 11692-2024 分体式地埋管地源热泵系统工程技术规程
ISO 4982 2023 Plastics piping systems for non-pressure underground conveyance.pdf
ISO 21821 2019 Fine ceramics (advanced ceramics advanced technical ceramics) Determination of densification properties of ceramic powders on natural sintering.pdf
ISO 5673-2 2005 Agricultural tractors and machinery Power take-off drive shafts and power-input connection Part 2 Specification for use of PTO drive shafts and position and clearance of PTO drive li.pdf
ISO 14683 2017 Thermal bridges in building construction — Linear thermal transmittance — Simplified methods and default values.pdf
ISO IEC 29192-4 2013 Information technology — Security techniques — Lightweight cryptography — Part 4 Mechanisms using asymmetric techniques.pdf
ISO 7925 1999 Dried oregano (Origanum vulgare L.) — Whole or ground leaves — Specification.pdf
ISO 81346-10 2022 Industrial systems, installations and equipment and industrial products — Structuring principles and reference designations — Part 10 Power supply systems.pdf
ISO 7240-5 2018 Fire detection and fire alarm systems — Part 5 Point type heat detectors.pdf
ISO 14093 2022 Mechanism for financing local adaptation to climate change — Performance-based climate resilience grants — Requirements and guidelines.pdf
ISO 23646 2022 Soil quality — Determination of organochlorine pesticides by gas chromatography with mass selective detection (GC-MS) and gas chromatography with electron-capture detection (GC-ECD).pdf
GB-T 7829-1987 故障树分析程序.pdf
GB-T 11684-2003 核仪器电磁环境条件与试验方法.pdf
GB-T 17421.1-1998 机床检验通则 第1部分 在无负荷或精加工条件下机床的几何精度.pdf
GB-T 6669-2008 软质泡沫聚合材料 压缩永久变形的测定.pdf
GB-T 22713-2008 不平衡电压对三相笼型感应电动机性能的影响.pdf
GB 9706.263-2020 医用电气设备 第2-63部分 口外成像牙科X射线机基本安全和基本性能专用要求.pdf
GB-T 42462-2023 化妆品色谱分析结果确认准则.pdf
GB-T 17450-1998 技术制图 图线.pdf
GB-T 1143-2004 60°、90°、120°莫氏锥柄锥面锪钻.pdf
GB-T 23321-2009 纺织品 防水性 水平喷射淋雨试验.pdf