DIN EN ISO 7866/A1:2020 气瓶 可再充装无缝铝合金气瓶 设计、构造和测试 修正案 1(ISO 7866:2012/DAM 1:2020)
Gas cylinders - Refillable seamless aluminium alloy gas cylinders - Design, construction and testing - AMENDMENT 1 (ISO 7866:2012/DAM 1:2020); German and English version EN ISO 7866:2012/prA1:2020