This document stipulates the terms and definitions, composition and principles, requirements, test methods, inspection rules, marking, packaging, transportation and storage of automatic grooving machines for copper pipe and steel pipe connecting rods. This document is applicable to the production and inspection of automatic grooving machines for copper pipe and steel pipe connecting rods.
T/QGCML 2237-2023 history
2023T/QGCML 2237-2023 Automatic notching machine for copper pipe and steel pipe connecting rod