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API Std 623-2021 法兰和对焊端 栓接阀盖钢制截止阀(中英文参考版) ...
AS 3499-2022 Water supply - Flexible hose assemblies ...
ASME B16.10-2022 阀门结构长度(中英文参考版) ...
ASME B31.3-2020 Process Piping 工艺管道(中英文参考版) ...
ASME BPVC.II.C-2023 焊条、焊丝及填充金属 上冊 to SFA-A5.18 (中英文参考版) ...
ASTM B733-22 Standard Specification for Autocatalytic (Electroless) Nickel-Phosphorus Coatings on Metal ...
ASTM D381–22 Standard Test Method for Gum Content in Fuels by Jet Evaporation ...
AWS A5.9 A5.9M-2017 焊接材料—不锈钢和耐热钢电弧焊丝、焊带、焊丝和填充丝-分类(中英文参考版) ...
JIS A 5557-2020 外墙砖整理用有机粘合剂 ...
JIS A 6209-2020 混凝土用火山玻璃粉 ...
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