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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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SAE AMS4045K.pdf

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2026-04-23发布 18 浏览 6 页 26.3 KB
AWS A5.14-2026.pdf

AWS A5.14/A5.14M:2026An American National StandardSpecification forNickel and Nickel-Alloy Bare WeldingElectrodes andRod...

2026-04-23发布 15 浏览 46 页 349.95 KB
NFPA 10-2026..pdf

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2026-04-23发布 14 浏览 83 页 2 次下载 16.15 MB
IEC 60335-2-23 2026(1).pdf

IEC 60335-2-23 Edition 7.0 2026-02 INTERNATIONAL STANDARD Household and similar electrical appliances - Safety - Pa...

2026-03-26发布 10 浏览 33 页 843.88 KB
IEC 60335-2-105 2026(1).pdf

IEC 60335-2-105 Edition 3.0 2026-02 INTERNATIONAL STANDARD Household and similar electrical appliances - Safety - P...

2026-03-26发布 8 浏览 24 页 1.82 MB
ASTM E1945 - 21 (2025).pdf

Designation: E1945 − 21 (Reapproved 2025)Standard Test Method forPercent Dispersibility1This standard is issued unde...

2026-02-07发布 7 浏览 3 页 216.26 KB
ASTM E3347 - E 3347M - 25.pdf

Designation: E3347/E3347M − 25Standard Specification forBallistic-Resistant Shields Used by Law EnforcementOfficers1Thi...

2026-02-07发布 10 浏览 8 页 261.57 KB
ASTM E1362 - 15 (2025).pdf

Designation: E1362 − 15 (Reapproved 2025)An American National StandardStandard Test Methods forCalibration of Non-Co...

2026-02-07发布 9 浏览 6 页 222.21 KB
ASTM E3140 - 25.pdf

Designation: E3140 − 25Standard Guide forAsset Management Career Development, Education, andTraining1This standard is...

2026-02-07发布 9 浏览 5 页 201.03 KB
ASTM E2194 - 14 (2025).pdf

Designation: E2194 − 14 (Reapproved 2025)Standard Test Method forMultiangle Color Measurement of Metal Flake Pigmen...

2026-02-07发布 5 浏览 10 页 314.7 KB
ASTM E465 - 24.pdf

Designation: E465 − 24Standard Test Methods forDetermination of Manganese (IV) in Manganese Ores byRedox Titrimetry...

2026-02-07发布 15 浏览 4 页 205.68 KB
ASTM E3220 - 25.pdf

Designation: E3220 − 25Standard Guide forCharacterization of Graphene Flakes1This standard is issued under the fixe...

2026-02-07发布 9 浏览 13 页 1.95 MB
ASTM E928 - 25.pdf

Designation: E928 − 25Standard Test Method forPurity by Differential Scanning Calorimetry1This standard is issued u...

2026-02-07发布 8 浏览 8 页 419.52 KB
ASTM E2921 - 25.pdf

Designation: E2921 − 25Standard Practice forMinimum Criteria for Comparing Whole Building Life CycleAssessments for...

2026-02-07发布 9 浏览 4 页 198.26 KB
ASTM E2497 - 11 (2025).pdf

Designation: E2497 − 11 (Reapproved 2025)Standard Practice forCalculation of Asset Movement Velocity (AMV)1This stan...

2026-02-07发布 9 浏览 2 页 184.3 KB
ASTM E2067 - 24.pdf

Designation: E2067 − 24An American National StandardStandard Practice forFull-Scale Oxygen Consumption Calorimetry Fi...

2026-02-07发布 5 浏览 25 页 650.73 KB
ASTM E2863 - 25.pdf

Designation: E2863 − 25Standard Practice forAcoustic Emission Examination of Welded Steel SpherePressure Vessels Usi...

2026-02-07发布 7 浏览 7 页 458.62 KB
ASTM E2717 - 18 (2025).pdf

Designation: E2717 − 18 (Reapproved 2025)Standard Practice forEstimating the Environmental Load of ResidentialWastewa...

2026-02-07发布 6 浏览 12 页 343.08 KB
ASTM E3147 - 25.pdf

Designation: E3147 − 25Standard Practice forEvaluating DICONDE Interoperability of NondestructiveTesting and Inspectio...

2026-02-07发布 5 浏览 25 页 1.37 MB
ASTM E832 - 81 (2024).pdf

Designation: E832 − 81 (Reapproved 2024)Standard Specification forLaboratory Filter Papers1This standard is issued u...

2026-02-07发布 5 浏览 4 页 203.08 KB

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