This standard specifies the type and size, technical requirements, test methods, inspection rules, instruction manual, marking, packaging, transportation and storage of rotary tillage machine knives and knife holders. This standard applies to knives and knife holders used in rotary tillage machinery and combined rotary tillage machinery.
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection