聚四氟乙烯垫片 (图)
24243/27271/59214/4.3328/243.244/32374/682.514/8330/20546/37.5275/48316/5.2330/24247.5/36.52.582/72319.5/11232/20348/32285/62220/6.5333/27248/43285/75220/12233.5/29.5250/10490/76220/14334/281.552/41.5290/80221/162437/21252/42/12295/72224/17340.5/36.525f/383115/95224/l8 241/34263/532120/110324.2/182.541/34/12265/523135/110326/6.5342/34270/602.5150/1402.5155/1352164/1375219/19l3250/2203310/2862 3、用途:密封材料4、主要技术指标项目名称单位指
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