关于禁止生产以含氢氯氟烃(HCFCs)为发泡剂的挤出聚苯乙烯泡沫产品的公告 https://chemreg.net/regulations/gmsds-dec25-39.pdf/view https://chemreg.net/@@site-logo/ChemReg-branding.png 关于禁止生产以含氢氯氟烃(HCFCs)为发泡剂的挤出聚苯乙烯泡沫产品的公告 Loading The Document Viewer requires that you enable Javascript. Download gmsds-dec25-39.pdf.pdf — 1669.8076171875 KB