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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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AWWA Manual M21 2025.pdf

Manual of W ater Supply PracticesFifth EditionM21Gr oundwat er Oper ationsM21Manual of Water Supply PracticesGro un...

2026-01-20发布 4 浏览 178 页 10 MB
ANSI AWWA C226-24.pdf

Since 1881SMANSI/AWWA C226-24(Revi si on of ANSI/AWWA C226-19 )S tai n less- S teel Fi tti n g s for Waterwork...

2026-01-20发布 3 浏览 32 页 1.52 MB
ANSI AWWA F120-24.pdf

op mark sSince 1881SMOzone Sy stems for WaterEffective date: Dec. 1, 2024.First edition approved by Board of Dire...

2026-01-20发布 3 浏览 68 页 2.03 MB
ANSI AWWA D110-13 (2018).pdf

AWWA StandardSMWire- and Strand-Wound, Circular, Prestressed Concrete Water TanksEffective date: Aug. 1, 2018.First e...

2026-01-20发布 7 浏览 112 页 1 次下载 1.86 MB
ANSI AWWA B505-24.pdf

op mark sSince 1881SMDisodium Phosphate, AnhydrousEffective date: Nov. 1, 2024.First edition approved by Board of D...

2026-01-20发布 4 浏览 24 页 1.38 MB
ANSI AWWA C550-24.pdf

op mark sSince 1881SMProtective Interi or Coatings for Valves and Hydr antsEffective date: Dec. 1, 2024.First edit...

2026-01-20发布 3 浏览 24 页 1.27 MB
MSS SP-95-2024.pdf

MSS SPxxx-202x MSS SP-95 2024 Edition ????????? ???????????? ????? ?????? ??????????? ????????? ?????????? ???? ????...

2026-01-20发布 6 浏览 22 页 1 次下载 1.73 MB
MSS SP-91-2025.pdf

MSS SPxxx-202x Standard Practice developed and approved by the Manufacturers Standardization Society of the Valve a...

2026-01-20发布 5 浏览 22 页 1 次下载 824.39 KB
MSS SP-79-2024.pdf

MSS SPxxx-202x MSS SP-79 2024 Edition Socket-Welding Reducer Inser ts Standard Practice dev eloped and approved by...

2026-01-20发布 5 浏览 22 页 1 次下载 888.09 KB
MSS SP-134-2025.pdf

MSS SPxxx-202x Standard Practice developed and approv ed by the Manufacturers Standardization Society of the Valve...

2026-01-20发布 6 浏览 27 页 1 次下载 955.55 KB
MSS SP-55-2025.pdf

i © MSS 2025 – All rights reserved Standard Practice developed and approved by the Manufacturers Standardization...

2026-01-20发布 8 浏览 30 页 1 次下载 7.25 MB
MSS SP-97-2025.pdf

i Standard Practice developed and approved by the Manufacturers Standardization Society of the Valve and Fittings ...

2026-01-20发布 5 浏览 26 页 1 次下载 887.56 KB
MSS SP-75-2025.pdf

Standard Practice developed and approved by the Manufacturers Standardization Society of the Valve and Fittings Ind...

2026-01-20发布 3 浏览 50 页 1 次下载 2.23 MB
AWS A5.23 - A5.23M-2025.pdf

AWS A5.23/A5.23M:2025An American National StandardSpecification forLow-Alloy andHigh ManganeseSteel Electrodesand Fluxes...

2026-01-20发布 12 浏览 66 页 612.29 KB
MSS SP-83-2025.pdf

Standard Practice developed and approved by the Manufacturers Standardization Society of the Valve and Fittings Ind...

2026-01-20发布 4 浏览 26 页 1 次下载 5.35 MB
MSS SP-137-2025.pdf

MSS SPxxx-202x Standard Practice developed and approv ed by the Manufacturers Standardization Society of the Valve...

2026-01-20发布 4 浏览 18 页 1 次下载 675.87 KB
AWS A5.1 - A5.1M-2025 errata 2025.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 5 浏览 1 页 84.82 KB
AWS B2.1-23-028-2025.pdf

Standard Welding Procedure Specification (SWPS) for Gas Metal Arc Welding (Spray Transfer Mode) of Aluminum (M-23/P...

2026-01-20发布 6 浏览 34 页 667.22 KB
ANSI AWWA B504-24.pdf

op mark sSince 1881SMMonosodium Phosphate, Anhydrous and Li qui dEffective date: Nov. 1, 2024.First edition approve...

2026-01-20发布 6 浏览 20 页 1.33 MB
ANSI AWWA G520-25.pdf

Since 1881SMAWWA Management Standar dA NSI/AWWA G520-25(Revi si on of ANS I/AWWA G520-17)Waste water Collect ion S...

2026-01-20发布 5 浏览 36 页 1.34 MB

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