兑水 发表于 2009-10-15 07:42:10

ASTM D 5155-2001 聚氨酯原材料的试验方法:芳香族异氰酸酯中...

D5155-01 Standard Test Methods for Polyurethane Raw Materials Determination of the Isocyanate Content of Aromatic Isocyanates
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