ISO 3231-1993 Paints and varnishes; determination of resistance to humid atmospheres containing sulfur dioxide
ISO 3231-1993 色漆和清漆.耐含二氧化硫潮湿空气的测定
ISO 3231-1993 Paints and varnishes; determination of resistance to humid atmospheres containing sulfur dioxide
ISO 3231-1993 色漆和清漆.耐含二氧化硫潮湿空气的测定