DIN EN 417:2012 便携式液化气燃具用带或不带阀门的一次性使用液化石油气金属气罐.制造、检验、试验和标记
Non-refillable metallic gas cartridges for liquefied petroleum gases, with or without a valve, for use with portable appliances - Construction, inspection, testing and marking; German version EN 417:2012