»ç¿ë ¿ëµµ: ºÐÁø½ÃÇè±â(Dust Test Chamber)¿¡ »ç¿ëµÇ´Â ºÐÁø ¼Ò¸ðÇ°
Product Name: Portland Cement Test Dust
Trade Names: SAE J 1455, JISZ 8901 CLASS 6, ASTM C150
ÃæÁ· ½ÃÇè ±Ô°Ý: SAE J 1455, JISZ 8901 CLASS 6, ASTM C150