標題: ASTM D 4243-1999 新的和老化的電絕緣紙和紙板的聚合作用的平... [打印本頁] 作者: 兌水 時間: 2009-10-9 10:56 標題: ASTM D 4243-1999 新的和老化的電絕緣紙和紙板的聚合作用的平... D4243-99 Standard Test Method for Measurement of Average Viscometric Degree of Polymerization of New and Aged Electrical Papers and Boards