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34 GB 5143-1985 高起升车辆护顶架 技术要求和试验方法 High-lift rider trucks--Overhead guards--Specification and testing
35 GB/T 5182-1996 叉车 货叉 技术要求和试验 Fork-lift trucks--Fork arms--Technical characteristics and testing
36 GB/T 5183-1985 叉车货叉的尺寸 Fork lift trucks--Fork arms--Dimensions
37 GB/T 5184-1996 叉车 挂钩型货叉和货叉架 安装尺寸 Fork-lift trucks--Hook-on type fork arms and fork arm carriages--Mounting dimensions
38 GB/T 5621-1985 凿岩机械与气动工具性能试验方法 Test methods of performance for rock drilling machines and pneumatic tools
39 GB/T 5656-1994 离心泵技术条件(II中国机械专家网 www.expsky.com类) Technical specifications for centrifugal pumps--Class II
40 GB/T 5657-1995 离心泵技术条件(Ⅲ类) Technical specifications for centrifugal pumps--Class Ⅲ