QB/T 2613.3-2003
防爆工具 防爆用检查锤
Tools for explosive atmospheres -- Inspecting hammers for explosive atmospheres
2003-12-11
QB/T 2613.7-2003
防爆工具 防爆用圆头锤
Tools for explosive atmospheres -- Ball peinhammers for explosive atmospheres
2003-12-11
QB/T 2613.6-2003
防爆工具 防爆用八角锤
Tools for explosive atmospheres -- Sledge hammers for explosive atmospheres
2003-12-11