Designation: B281 − 88 (Reapproved 2019)´1Standard Practice forPreparation of Copper and Copper-Base Alloys forElec...
Designation: B275 − 14Standard Practice forCodification of Certain Zinc, Tin and Lead Die Castings1This standard i...
Designation: B265 − 13aStandard Specification forTitanium and Titanium Alloy Strip, Sheet, and Plate1This standard ...
Designation: B265 − 13Standard Specification forTitanium and Titanium Alloy Strip, Sheet, and Plate1This standard i...
Designation: B254 − 92 (Reapproved 2020)´1Endorsed by AmericanElectroplaters’ SocietyEndorsed by National Associa-ti...
Designation: B251/B251M − 17Standard Specification forGeneral Requirements for Wrought Seamless Copper andCopper-Alloy...
This international standard was developed in accordance with internationally recognized principles on standardization...
This international standard was developed in accordance with internationally recognized principles on standardization...
Designation: B234M − 17Standard Specification forAluminum and Aluminum-Alloy Drawn Seamless Tubes forSurface Condense...
Designation: B234 − 17Used in USNRC-RDT standardsStandard Specification forAluminum and Aluminum-Alloy Drawn Seamless...
This international standard was developed in accordance with internationally recognized principles on standardization...
Designation: B224 − 16Standard Classification ofCoppers1This standard is issued under the fixed designation B224; t...
Designation: B221M − 21Standard Specification forAluminum and Aluminum-Alloy Extruded Bars, Rods, Wire,Profiles, and...
Designation: B221 − 21Standard Specification forAluminum and Aluminum-Alloy Extruded Bars, Rods, Wire,Profiles, and ...
Designation: B215 − 20Standard Practices forSampling Metal Powders1This standard is issued under the fixed designat...
Designation: B214 − 22Standard Test Method forSieve Analysis of Metal Powders1This standard is issued under the f...
Designation: B209/B209M − 21Standard Specification forAluminum and Aluminum-Alloy Sheet and Plate1This standard is i...
Designation: B206/B206M − 12 (Reapproved 2017)Standard Specification forCopper-Nickel-Zinc (Nickel Silver) Wire and C...
Designation: B199 − 17Standard Specification forMagnesium-Alloy Permanent Mold Castings1This standard is issued under...
Designation: B193 − 20Standard Test Method forResistivity of Electrical Conductor Materials1This standard is issued...
SAE J1508-2023.pdf6872页
DBJ46-40-2016 海南省美丽乡村建设标准.pdf11040页
【地方标准】DB3311∕T 143-2020 科技项目绩效评价规范.pdf9116页
【地方标准】DB5110∕T 12-2018 地理标志保护产品 永安白乌鱼养殖技术规程.pdf14611页
GB∕T 37475-2019 内河水面清扫船尺度系列和作业设备.pdf333页
YY_T 1996-2025 采用脑机接口技术的医疗器械具备闭环功能的植入式神经刺激器感知与响应性能测试方法.pdf315页
AS 3856.1-2021 amd1-2024.pdf31页
YD∕T 3487.2-2019 互联网访问日志留存测试方法 第2部分：互联网服务提供商-无线.pdf335页
SAE ARP 6227-2024.pdf318页
ASTM E3124 - 17 (2025).pdf39页
ASTM D8099 - D 8099M - 17 (2023).pdf1552页
MSS SP-69-2002.pdf15820页
ASTM A508 - A 508M - 23a.pdf1119页
SAE AMS 5536R-2024.pdf1686页SAE J1508-2023.pdf6872页
MSS SP-69-2003 withdraw notice 2014.pdf1061页
DIN_EN_12390-1__2021-09.pdf19114页
JIS B 7507-2022.pdf19133页
JIS T 5201-1976 scan.pdf6112页DBJ46-40-2016 海南省美丽乡村建设标准.pdf11040页
