DIN EN ISO 7866:2021-05 气瓶 - 可再填充无缝铝合金气瓶 - 设计、制造和测试(ISO 7866:2012 + Cor 1:2014 + Amd 1:2020)
Gas cylinders - Refillable seamless aluminium alloy gas cylinders - Design, construction and testing (ISO 7866:2012 + Cor 1:2014 + Amd 1:2020); German version EN ISO 7866:2012 + AC:2014 + A1:2020