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ISO ASTM .pdf EN BS 标准 SAE scan.pdf 地方 AS GB GBT JIS IEC AMS NZS 附有答案技术行业标准军用电子行业 SJ 2023 .docx DIN JB IEEE API rus.pdf Std 规范安全 TS DB15 DB37 2025 TR DB44 NACE ASME 2022 STP 规程 24.pdf DLT Paper 系统 SJT 试验

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ISO 20361-2019.pdf

© ISO 2019Liquid pumps and pumps units — Noise test code — Grades 2 and 3 of accuracyPompes et groupes moto...

2025-11-22发布 158 浏览 32 页 1 次下载 1.29 MB
ISO 20871-2018.pdf

© ISO 2018Footwear — Test methods for outsoles — Abrasion resistanceChaussures — Méthodes d'essai applicables ...

2025-11-22发布 153 浏览 12 页 365.61 KB
ISO 20903-2019.pdf

© ISO 2019Surface chemical analysis — Auger electron spectroscopy and X-ray photoelectron spectroscopy — Methods...

2025-11-22发布 186 浏览 24 页 2 次下载 1.72 MB
ISO 23529-2016.pdf

© ISO 2016Rubber — General procedures for preparing and conditioning test pieces for physical test methodsCaoutch...

2025-11-22发布 90 浏览 24 页 655.55 KB
ISO 22605-2020.pdf

Refractories — Determination of dynamic Young’s modulus (MOE) at elevated temperatures by impulse excitation of v...

2025-11-22发布 161 浏览 18 页 5 次下载 1020.3 KB
ISO 20236-2018.pdf

© ISO 2018Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bou...

2025-11-22发布 116 浏览 26 页 1.47 MB
ISO 21987-2017.pdf

© ISO 2017Ophthalmic optics — Mounted spectacle lensesOptique ophtalmique — Verres ophtalmiques montésINTERNATIONA...

2025-11-22发布 200 浏览 28 页 3 次下载 724.87 KB
ISO 22514-3-2020.pdf

Statistical methods in process management — Capability and performance —Part 3: Machine performance studies for m...

2025-11-22发布 199 浏览 26 页 4 次下载 1.59 MB
ISO 22680-2020.pdf

© ISO 2020Metallic and other inorganic coatings — Measurement of the linear thermal expansion coefficient of the...

2025-11-22发布 80 浏览 16 页 1 次下载 1.01 MB
ISO 21814-2019.pdf

© ISO 2019Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods for chemical analysis of alumi...

2025-11-22发布 78 浏览 44 页 5 次下载 1.98 MB
ISO 21898-2004.pdf

Reference numberISO 21898:2004(E)© ISO 2004 INTERNATIONAL STANDARD ISO21898First edition2004-07-01Packaging — Flexible...

2025-11-22发布 153 浏览 34 页 3 次下载 553.61 KB
ISO 23730-2022.pdf

Marine technology — Marine environment impact assessment (MEIA) — General technical requirementsINTERNATIONAL STANDA...

2025-11-22发布 192 浏览 14 页 923.69 KB
ISO 23420-2021.pdf

Microbeam analysis — Analytical electron microscopy — Method for the determination of energy resolution for elect...

2025-11-22发布 132 浏览 36 页 5 次下载 2.16 MB
ISO 21676-2018.pdf

© ISO 2018Water quality — Determination of the dissolved fraction of selected active pharmaceutical ingredients, ...

2025-11-22发布 60 浏览 42 页 2 次下载 2.63 MB
ISO 21438-2-2024.pdf

Workplace atmospheres — Determination of inorganic acids by ion chromatography —Part 2: Volatile acids, except hy...

2025-11-22发布 65 浏览 28 页 531.56 KB
ISO 23496-2019.pdf

© ISO 2019Determination of pH value — Reference buffer solutions for the calibration of pH measuring equipmentD...

2025-11-22发布 127 浏览 18 页 1 次下载 1.05 MB
ISO 23739-2021.pdf

Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods for chemical analysis of zirconium oxide ...

2025-11-22发布 117 浏览 24 页 4 次下载 1.23 MB
ISO 21302-1-2019.pdf

© ISO 2019Plastics — Polybutene-1 (PB-1) moulding and extrusion materials —Part 1: Designation system and basis...

2025-11-22发布 154 浏览 12 页 2 次下载 1.29 MB
ISO 23582-1-2023.pdf

Plastics and rubber machines — Clamping systems —Part 1: Safety requirements for magnetic clamping systemsMachines...

2025-11-22发布 102 浏览 18 页 1 次下载 326.41 KB
ISO 22514-4-2016.pdf

© ISO 2016Statistical methods in process management — Capability and performance —Part 4: Process capability est...

2025-11-22发布 136 浏览 54 页 5 次下载 2.94 MB

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