1、 20474-4null2012 4 -ISO 20474-4:2008Earth-moving machinery Safety Part 4: Requirements for backhoe loaders(IDT) 20474-42012II1 - - ( ) , 42 267 - 3 - 22 2012 . 1058-4 20474-4:2008 -. . 4. - (ISO 20474-4:2008 Earth-moving machinery Safety Part 4: Requirements for backhoe loaders). - - , - 5 1.02012 (
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3、k arms Technical characteristics and testing) 6016 . , - (ISO 6016, Earth-moving machinery Methods of measuring the masses of whole ma-chines, their equipment and components) 6165:2006 . . , (ISO 6165:2006, Earth-moving machinery Basic types Vocabulary) 7096:2000 . (ISO 7096:2000, Earth-moving machi
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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