导轮式分拣机技术规范
Specification of guide wheel sorting machine
2017-12-29
GOST 9024-1970
Щетки плоские с деревянными колодками сельскохозяйственных машин. Технические условия
用于农业机械的木制平板刷 规格
DIN EN 1009-5
Machines for mechanical processing of minerals and similar solid materials - Safety - Part 5: Specific requirements for cleaning, recycling, sorting and mud treatment machinery
矿物和类似固体材料的机械加工机械.安全.第5部分:清洁、回收、分类和泥浆处理机械的特殊要求；德文版EN 1009-5:2020
2021-01-01
BS 2L 87-1971
Specification for hexagonal bars for nuts, couplings and hollow machined parts of aluminium-copper-magnesium-silicon-manganese alloy (solution treated and precipitation treated) (free from peripheral and asymmetric coarse grain) (not less than 14 mm nor more than 36 mm across flats) (Cu 4.4, Mg 0.5, Si 0.7, Mn 0.8)
铝-铜-镁-硅-锰合金（固溶处理和沉淀处理）螺母、联轴器和空心机加工零件用六角棒规范（无周边和不对称粗晶）（平面宽度不小于14 mm 也不大于36 mm）（Cu 4.4 Mg 0.5