GB/T 35941-2018 Aquaculture aerator directire rules

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 GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 3768-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product SC/T 6009-1999 Test methods of oxyen-enriched capacity for aerator SC/T 6010-2001 Specification for impeller aerator SC/T 6017-1999 Paddlewheel aerator SC/T 6010-2018 The general technical specifications for a turbine-type aerator SC/T 6017-2019 Aeration Machine, Waterwheel-Type