Equipment for sowing and planting—Disk—Part 2:Flat disks type D2 with single bevel—Dimensions
IDT ISO 4002-2:1977
全国农业机械标准化技术委员会
本部分规定了播种和种植机械的具有滑动或滚珠（滚柱）轴承的圆盘尺寸。
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