ISO 9809-4-2021Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tubes — Part 4: Stainless steel cylinders with an Rm value of less than 1 100 Mpa

标准类别：[ISO] 国际标准化组织标准
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标准编号：ISO 9809-4-2021
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更新时间：2022-03-26
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ISO 9809-4-2021Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tubes — Part 4: Stainless steel cylinders with an Rm value of less than 1 100 Mpa

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