GB/T 20044-2012 Electrical accessories - Portable residual current devices without integral overcurrent protection for household and similar use (PRCD) (English Version)
2012GB 20044-2012 Electrical accessories.Portable residual current devices without integral overcurrent protection for household and similar use (PRCD)
2005GB 20044-2005 Electrical accessories.Portable residual current devices without integral overcurrent protection for household and similar use(PRCDs)