GAS WELDING EQUIPMENT - RUBBER HOSES FOR WELDING, CUTTING AND ALLIED PROCESSES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Describes requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes.
ISO 3821 : 2008(R2017) - Identical
EN ISO 3821 : 2010 - Identical
ISO 3821 : 2008(R2017) - Identical


