This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of explosion-proof adjustable wrenches. This standard applies to explosion-proof adjustable wrenches (hereinafter referred to as "adjustable wrenches") used in flammable and explosive situations.
QB/T 2613.8-2005 history
2005QB/T 2613.8-2005 Tools for explosive atmospheres - Adjustable wrenches for explosive atmospheres