$10
Equipment for sowing and planting—Disks—Part 1:Concave disks type D1—Dimensions
IDT ISO 4002-1:1979
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带有或不带有中心孔的凹面圆盘尺寸。
This standard is the original Chinese electronic standard.
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