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ISO 9809-1 2019 Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tubes — Part 1 Quenched and tempered steel cylinders and tubes with tensile strength less than
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ISO 9809-1 2019 Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tubes — Part 1 Quenched and tempered steel cylinders and tubes with tensile strength less than
