2015QB/T 4780-2015 Test method for Vickers hardness of domestic ceramic glaze
1982QB/T 3731-1999 Standard test method for vickers hardness of glazed domestic ceramic ware
QB/T 4780-2015 Test method for Vickers hardness of domestic ceramic glaze has been changed from QB/T 3731-1999 Standard test method for vickers hardness of glazed domestic ceramic ware.