JT/T 123-2007 Cylinder bushing boring machine

JT/T 123-1993

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 15375-2008 Metal-cutting machine tools—Method of type designation GB 15760-1995 Metal-cutting machine tools—General safeguarding specification GB 15760-2004 Metal-cutting machine tools—General safeguarding specification GB/T 16769-1997 Metal-cutting machine tools—Measurement method of sound pressure level GB/T 16769-2008 Metal-cutting machine tools—Measurement method of sound pressure level GB/T 17421.1-1998 Test code for machine tools—Part 1:Geometric accuracy of machines operating under no-load or finishing conditions GB/T 17421.1-2023 Test code for machine tools—Part 1:Geometric accuracy of machines operating under no-load or quasi-static conditions GB/T 4879-1999 Rustproof packaging GB/T 4879-2016 Rustproof packaging GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 9061-2006 General specifications for metal-cutting machine tools JB/T 3997-2011 Metal cutting machine tool gray cast iron parts technical specification JB/T 3997-1994 Metal cutting machine tool gray cast iron parts technical specification JB/T 9872-1999 Metal cutting machine tool - General technical specification for mechanical machining parts JB/T 9875-1999 JBT 9875-1999 Metal cutting machine tool preparation of technical documents for random JB/T 9876-1999 Metal cutting machine tool inspection and evaluation using color coating method JB/T 9877-1999 Determination of Cleanliness of Metal Cutting Machine Tools JB/T 8356.1-1996 Technical Requirements for the Packaging of Machine Tools GB 15760-2025 Metal cutting machines—General specifications for safeguarding GB/T 9061-2025 Metal-cutting machine tools—General specifications