标准号:IS 7653-1975
发布日期:1975/9/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard covers the operational and safety requirements, methods of sampling and testing of manual blowpipes for welding and cutting of metals.1.2 This standard also covers the combined manual welding and cutting blowpipes. The general requirements for the flame cleaning and flame heating blowpipes are also covered.