Since 1881SMANSI/AWWA B202-25(Revi si on of ANS I/AWWA B202-19 )Quicklime and Hydr ated L imeEffective date: Oct....
Since 1881SMANSI/AWWA C512-25(Revi si on of ANSI/AWWA C 512-15)Air-Release, Air/Vacuum, and Combinat ion Air Valves...
Since 1881SMANSI/AWWA B453-24(Revi si on of ANSI/AWWA B45 3-19 )PolyacrylamideEffective date: July 1, 2025.First edi...
op mark sSince 1881SMBolted Aboveground Thermosettin g Fi ber g lass -R einforced Plasti c Panel-Type Tanks for ...
MANUAL OF RECOMMENDED PRACTICE FORThe Safe Closure and Reopening of Building Water Systems PUBLISHED BY THE IAPMO...
op mark sSince 1881SMSodium Chl oriteEffective date: Nov. 1, 2024.First edition approved by Board of Directors Jun...
Since 1881SMANSI/AWWA C7 04-24(Revi si on of ANSI/AWWA C704-19 )Pr opeller-Type Meters for Waterwor ks A pplicat ...
Since 1881SMANSI/AWWA C223-25(R evision of ANSI/AWWA C223-19 )Fabricated Steel and Stainless-Steel Tapping Slee vesEf...
Since 1881SMA NSI/AWWA C7 02-24(Revi si on of ANSI/AWWA C702-19 )Cold-Water Meter s—Compound TypeEfective date: Ap...
Since 1881SMA NSI/AWWA C228-25(Revi si on of ANS I/AWWA C228-19 )Stainless-Steel Pipe F lange Joints for Water Se...
??????? ?????????????????????????? ???!?"!#$%&??%%'" ? (?& (?%)*"+,?" ??& *??? !????? ?????-./0123/451/67589:;<;=>?@ABCDE...
Since 1881SMANSI/AWWA C7 00-24(Revisi on of ANS I/AWWA C700- 20)Cold-Water Meter s—Displacement Type, Metal Allo y...
Since 1881SMA NSI/AWWA C519-25(R evision of ANSI/AWWA C 519-18)High-Perfor mance Waterwor ks Butterfly Valves— 3 I...
Since 1881SMA NSI/AWWA B602-25(Revi si on of ANS I/AWWA B602-17)Copper SulfateEffective date: Nov. 1, 2025.First ed...
??????? ??????????????????????? !?"#$?%?"&'?()*+,, -./0123/45'?()++,, -789:;<=9>?;9@A:;BCDEFEGBHIJKLMNILIOPQRRJOSMNTUVOQJNO...
Since 1881SMANSI/AWWA C508-25(Revi si on of ANS I/AWWA C 508-17)Swing-Check Valves for Wat erwor ks Service, 2 -I...
Manual of W ater Supply PracticesM80Biological Dr inking Wat er Tr eatmentM80Manual of Wat er Supply Pract icesBi...
ANSI/AWWA C106/A2 1.6-80 Revision of ANSI A21.6-1975 (AWWA C106-75) for GRAY-IRON PIPE CENTRIFUGALLY CAST IN METAL...
Since 1881SMANSI/AWWA C7 01-24(Revi si on of ANSI/AWWA C701-19 )Cold-Water Meter s—Tur bine Type, for Customer Se...
Since 1881SMA NSI/AWWA C225-20( R25)(Revi si on of ANSI/AWWA C22 5-14 )R eaffrmed wi thout revi si on 2025Fused...
【地方标准】DB∕T 29-281-2020 天津市外模板现浇混凝土复合保温系统应用技术规程.pdf19755页
BS EN 61709-2017.pdf114128页
AS 5369-2023.pdf4144页
ASTM D4060 - 19.pdf886页
SAE AMS 5540R-2023.pdf926页
ASTM F3 - 02a.pdf793页
DBJ46-40-2016 海南省美丽乡村建设标准.pdf11040页
ASTM D3910 - 21.pdf38页
SAE AMS 5759M-2015.pdf37页
GB∕T 37475-2019 内河水面清扫船尺度系列和作业设备.pdf333页
