GB/T 35183-2017 Vertical shaft surface aerator

GB/T 7251.1-2013 Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1270-1996 Chemical reagent—Cobalt(Ⅱ) chloride hexahydrate GB/T 1270-2023 Chemical reagent—Cobalt(Ⅱ) chloride hexahydrate GB/T 3222.2-2009 Acoustics—Description,measurement and assessment of environmental noise—Part 2:Determination of environmental noise levels GB/T 3222.2-2022 Acoustics—Description,measurement and assessment of environmental noise—Part 2:Determination of sound pressure levels GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB 5749-1985 Sanitary standard for drinking water GB 5749-2006 Standards for drinking water quality GB 5749-2022 Standards for drinking water quality GB/T 6075.1-1999 Mechanical vibration—Evaluation of machine vibration by measurements on non-rotating parts—Part 1:General guidelines GB/T 6075.1-2012 Mechanical vibration—Evaluation of machine vibration by measurements on non-rotating parts—Part 1:General guidelines GB/T 12467.3-1998 Quality requirements for welding—Fusion welding of metallic materials—Part 3:Standards quality requirements GB/T 12467.3-2009 Quality requirements for fusion welding of metallic materials—Part 3:Standard quality requirements 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 GB/T 13824-1992 Requirements for instruments for measuring vibration severity GB/T 13824-2015 Mechanical vibration of rotating and reciprocating machinery—Requirements for instruments for measuring vibration severity GB/T 22722-2008 Specification for YX3 series(IP55)high efficiency three-phase induction motor(frame size 80～355) HG/T 2967-2010 Industrial anhydrous sodium sulfite JB/T 7118-2014 YVF2 series (IP54) dedicated three-phase asynchronous motor technology specification (frame size 80-355) HG/T 2967-2000 Industrial anhydrous sodium sulfite JB/T 5000.12-1998 Heavy Machinery General Technical Specification for Painting JB/T 7118-2004 YVF2 series (IP54) dedicated three-phase asynchronous motor for frequency conversion and speed regulation with frame sizes ranging from 80 to 315 JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint JB/T 7118-1993 Small frequency converter voltage regulation speed motor and power supply technical specifications JB/T 7118-2025 YVF series (IP55) special three-phase asynchronous motor with frequency conversion and speed regulation technology specification (frame size 63 to 355) GB/T 191-2025 Graphical symbols marking for handling and storage of packages HG/T 2967-2025 Industrial anhydrous sodium sulfite