JB/T 10912-2008 Water cooled and lingingless stack cupola

GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials GB 5226.1-2002 Safety of machinery—Electrical equipment of machines—Part 1:General requirements GB 5226.1-2008 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 5226.1-2019 Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding JB 10146 JB/T 1644-2005 Forging Machinery General Technical Specification JB/T 3000-2006 JBT 3000-2006 casting equipment model designation method JB/T 3000-1991 JBT 3000-1991 casting equipment model designation method。 JB/T 6331.2-1992 JBT 6331.2-1992 Method for measuring noise of casting machinery - Sound pressure level measurement JB/T 9875-1999 JBT 9875-1999 Metal cutting machine tool preparation of technical documents for random GB/T 191-2025 Graphical symbols marking for handling and storage of packages