CJ/T 492-2016 Curved type bar screen machine

CJ/T 3065-1997 Curved bar screens

GB/T 699-2015 Quality carbon structure steels GB/T 700-2006 Carbon structural steels GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification 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/T 20878-2007 Stainless and heat-resisting steels—Designation and chemical composition SJ 20893 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 755-2000 Rotating electrical machines—Rating and performance GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) GB/T 3767-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering method in an essentially free field over a reflecting plane GB/T 3767-2016 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane GB/T 3797-2005 Electrical control assemblies GB/T 3797-2016 Electrical control assemblies GB/T 11337-2004 Measurement of departures from flatness GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system JB/T 5936-2018 General technical specification for mechanical machining parts of engineering machinery JB/T 5936-1991 Engineering machinery - Machining parts general technical specification JB/T 5943-2018 Engineering Machinery Welding Components General Technical Specification JB/T 5000.12-1998 Heavy Machinery General Technical Specification for Painting JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint JB/T 5943-1991 General technical specification for welding parts of construction machinery GB/T 755-2025 Rotating electrical machines—Rating and performance GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 191-2025 Graphical symbols marking for handling and storage of packages