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Agricultural equipment—Mechanical connections between towed and towing vehicles—Implement hitch rings and attachment to tractor drawbars
IDT ISO 21244:2008
全国农业机械标准化技术委员会(SAC/TC 201)
本标准规定了与GB/T 19408.3中的拖拉机U型牵引装置相连的农用挂车和被牵引农具挂接环的尺寸要求。
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