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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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ANSI AWWA C512-25.pdf

Since 1881SMANSI/AWWA C512-25(Revi si on of ANSI/AWWA C 512-15)Air-Release, Air/Vacuum, and Combinat ion Air Valves...

2026-01-20发布 3 浏览 33 页 1.58 MB
ANSI AWWA B453-24.pdf

Since 1881SMANSI/AWWA B453-24(Revi si on of ANSI/AWWA B45 3-19 )PolyacrylamideEffective date: July 1, 2025.First edi...

2026-01-20发布 3 浏览 44 页 1.52 MB
AWS A5.17 - A5.17M-2025.pdf

AWS A5.17/A5.17M:2025An American National StandardSpecification forCarbon SteelElectrodes andFluxes forSubmerged ArcWeldi...

2026-01-20发布 3 浏览 50 页 1 次下载 423.61 KB
AWS B2.1-1-001-2020.pdf

Í¬¿²¼¿®¼ É»´¼·²¹ øÍÉÐÍ÷ º±® Í¸·»´¼»¼ Ó»¬¿´ ß®½ É»´¼·²¹ ±º Ý¿®¾±² ...

2026-01-20发布 3 浏览 26 页 627.41 KB
AWS TSD 1.1-2020.pdf

AWS TSD 1.1:2020 Approved January 31st, 2019 by the AWS Technical Activities Committee Specification for the Prepa...

2026-01-20发布 4 浏览 75 页 1.73 MB
ANSI AWWA D121-24.pdf

op mark sSince 1881SMBolted Aboveground Thermosettin g Fi ber g lass -R einforced Plasti c Panel-Type Tanks for ...

2026-01-20发布 3 浏览 88 页 3.54 MB
AWWA IAPMO Manual 0-2022.pdf

MANUAL OF RECOMMENDED PRACTICE FORThe Safe Closure and Reopening of Building Water Systems PUBLISHED BY THE IAPMO...

2026-01-20发布 4 浏览 47 页 1.14 MB
ANSI AWWA B303-24.pdf

op mark sSince 1881SMSodium Chl oriteEffective date: Nov. 1, 2024.First edition approved by Board of Directors Jun...

2026-01-20发布 2 浏览 28 页 1.6 MB
ANSI AWWA C704-24.pdf

Since 1881SMANSI/AWWA C7 04-24(Revi si on of ANSI/AWWA C704-19 )Pr opeller-Type Meters for Waterwor ks A pplicat ...

2026-01-20发布 2 浏览 36 页 1.63 MB
ANSI AWWA C223-25.pdf

Since 1881SMANSI/AWWA C223-25(R evision of ANSI/AWWA C223-19 )Fabricated Steel and Stainless-Steel Tapping Slee vesEf...

2026-01-20发布 2 浏览 28 页 1.49 MB
AWS A5.02 - A5.02M-2025.pdf

AWS A5.02/A5.02M:2025An American National StandardSpecification forFiller MetalStandard Sizes,Packaging, andPhysical Attr...

2026-01-20发布 2 浏览 32 页 209.72 KB
AWS B5.17-2025.pdf

AWS B5.17:2025An American National StandardSpecification forthe Qualificationof WeldingFabricatorsAWS B5.17:2025An Americ...

2026-01-20发布 2 浏览 26 页 248.62 KB
AWS D1.3 - D1.3M-2018 errata 2022.pdf

The purpose of an errata sheet is to notify the public that a published standard has a typographical error. Err...

2026-01-20发布 2 浏览 1 页 98.97 KB
AWS A5.2 - A5.2M-2025.pdf

AWS A5.2/A5.2M:2025An American National StandardSpecification forCarbon andLow-Alloy SteelRods for OxyfuelGas Welding550...

2026-01-20发布 1 浏览 32 页 304.45 KB
AWS A5.9 - A5.9M-2022.pdf

AWS A5.9/A5.9M:2022(ISO 14343:2017 MOD)An American National StandardSpecification forBare StainlessSteel WeldingElectrode...

2026-01-20发布 2 浏览 52 页 1.75 MB
AWS B5.4-2025.pdf

AWS B5.4:2025An American National StandardSpecification forthe Qualificationof Welder TestFacilitiesAWS B5.4:2025An Amer...

2026-01-20发布 4 浏览 30 页 307.27 KB
AWS B5.16-2025.pdf

AWS B5.16:2025An American National StandardSpecification forthe Qualificationof WeldingEngineeringPersonnelAWS B5.16:2025A...

2026-01-20发布 2 浏览 52 页 504.87 KB
AWS C2.26 - C2.26M-2025.pdf

AWS C2.26/C2.26M:2025An American National StandardSpecification forThermal SprayPowderAWS C2.26/C2.26M:2025An American Na...

2026-01-20发布 1 浏览 38 页 3.3 MB
AWS QC47-2016-AMD2 (2024).pdf

AWS QC47:2016-AMD2Specification forAWS Certificationof Welders andAccreditation ofTest FacilitiesAWS QC47:2016-AMD2Amendme...

2026-01-20发布 2 浏览 34 页 304.48 KB
AWS G2.5 - G2.5M-2025.pdf

AWS G2.5/G2.5M:2025An American National StandardGuide for theFusion Weldingof Zirconium andZirconium AlloysAWS G2.5/G2....

2026-01-20发布 2 浏览 56 页 1.23 MB

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