This standard specifies the product classification, requirements, test methods, inspection rules and markings, packaging, transportation and storage of explosion-proof ball peen hammers. This standard applies to explosion-proof ball peen hammers (hereinafter referred to as "ball peen hammers") used in explosive and flammable situations.
QB/T 2613.7-2003 history
2003QB/T 2613.7-2003 Tools for explosive atmospheres - Ball pein hammers for explosive