GB/T 25044-2010 General request of the preparation equipment used in compressive strength test of wall bricks

GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications 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 JC/T 401.2-2011 Metallic casting for building materials machinery - Part 2: Technical specification for carbon steel and low alloy steel castings JC/T 402-2006 Cement machinery coating paint anti-rust technical specification JC 532-1994 General technical specification for steel welded parts of building materials machinery JC/T 532-2007 General technical specification for steel welding parts of building materials machinery JC 401.2-1991 The technical specifications for castings of carbon steel and low alloy steel used in building materials machinery