ISO80079-37:2016
爆炸性环境第37部分:爆炸性环境用非电气设备非电气型防护结构安全"c"、点火源控制"b"、液体浸没"k"Explosive atmospheres - Part 37: Non-electrical equipment for explosive atmospheres - Non-electrical type of protection constructional safety "c", control of ignition sources "b", liquid immersion "k"
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