GB/T 3836.29-2021
爆炸性环境 第29部分:爆炸性环境用非电气设备 结构安全型“c”、控制点燃源型“b”、液浸型“k”
Explosive atmospheres—Part 29:Non-electrical equipment for explosive atmospheres—Constructional safety “c”, control of ignition source “b”, liquid immersion “k”
GBT3836.29-2021, GB3836.29-2021