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ASTM B171/B171M-2018 Standard Specification for Copper-Alloy Plate and Sheet for Pressure Vessels, Condense...2023-09-01

BS ISO 18762-2016 钛和钛合金管冷凝器和热交换器用焊接管交货技术条件 Tubes of titanium and titanium alloys. ...2023-05-17

BS EN ISO 28763-2019 Vitreous and porcelain enamels. Regenerative, enamelled and packed panels for air-gas...2023-05-18