JB/T 5992.2-1992 JB/T 5992.2-1992 Machining method classification and code - Casting

JB/T 5992.1-1992 Classification and Code for Mechanical Manufacturing Process Methods General Principles JB/T 5992.3-1992 Mechanical manufacturing process classification and code - Press forming JB/T 5992.4-1992 Mechanical manufacturing process classification and code: Welding JB/T 5992.5-1992 Mechanical manufacturing process classification and code: Cutting process JB/T 5992.6-1992 Mechanical manufacturing process classification and code: Special processing JB/T 5992.7-1992 Mechanical manufacturing process classification and code, heat treatment JB/T 5992.8-1992 JB/T 5992.8-1992 Machining method classification and code - Coating layer JB/T 5992.9-1992 Mechanical manufacturing process classification and code, Assembly and packaging JB/T 5992.10-1992 Mechanical manufacturing process classification and code of other manufacturing processes