GOST R ISO 20474-4-2012 Earth-moving machinery Safety Part 4 Requirements for backhoe loaders《土方机械 安全 第4部分 挖掘装载机要求》.pdf

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4、nery Laboratory evaluation of operator seat vibration) 7546 . . (ISO 7546, Earth-moving machinery Loader and front loading excavator buckets Volumet-ric ratings) 14397-1:2007 . . 1. 20474-42012 4 -Earth-moving machinery. Safety. Part 4. Requirements for backhoe loaders 20474-420122 (ISO 14397-1:2007

5、, Earth-moving machinery Load-ers and backhoe loaders Calculation of rated operating capacity and test method for verifying calculated tipping load) 14397-2:2007 . . 2. (ISO 14397-2:2007, Earth-moving machinery Loaders and backhoe load-ers Part 2: test method for measuring breakout forces and lift c

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