DLA L-P-390 C NOTICE 2-2000 (低中号和高密度)聚乙烯和无规共聚物的成型和提取材料塑料 参考ASTM D 4976,ASTM D 4976 REV A,ASTM D 4976,ASTM D 4976,ASTM D 4976,ASTM D 4976 REV B,ASTM D 4976 REV A,ASTM D 4976,ASTM D 4976,ASTM
DLA L-P-390 C (2)-1984 (低中号和高密度)聚乙烯和无规共聚物的成型和提取材料塑料 参考ASTM D 4976,ASTM D 4976 REV A,ASTM D 4976,ASTM D 4976,ASTM D 4976,ASTM D 4976 REV B,ASTM D 4976 REV A,ASTM D 4976,ASTM D 4976,ASTM
DLA L-P-390 C-1971 (低中号和高密度)聚乙烯和无规共聚物的成型和提取材料塑料 参考ASTM D 4976,ASTM D 4976 REV A,ASTM D 4976,ASTM D 4976,ASTM D 4976,ASTM D 4976 REV B,ASTM D 4976 REV A,ASTM D 4976,ASTM D 4976,ASTM