GB/T 32538.1-2016
Agricultural vehicles—Mechanical connections on towed vehicles—Part 1: Dimensions for hitch rings of 50/30 mm cross section 农业车辆 被牵引车辆的机械连接装置 第1部分:50mm/30mm横截面的挂接环尺寸 |
GB/T 32520-2016
Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV 交流1 kV以上架空输电和配电线路用带外串联间隙金属氧化物避雷器(EGLA) |
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