ISO 9328-2- 2018
Steel flat products for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steels with specified elevated temperature properties承压用扁钢制品.技术交付条件.第2部分:具有指定升温属性的非合金钢与合金钢
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真是不错,蟹蟹分享,很有参考和学习价值 谢谢您的分享,金币已奖励!
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