关于禁止生产以1,1-二氯-1-氟乙烷（HCFC-141b）为发泡剂的聚氨酯产品的公告 https://chemreg.net/regulations/gmsds-dec25-95.pdf/view https://chemreg.net/@@site-logo/ChemReg-branding.png 关于禁止生产以1,1-二氯-1-氟乙烷（HCFC-141b）为发泡剂的聚氨酯产品的公告 Loading The Document Viewer requires that you enable Javascript. Download gmsds-dec25-95.pdf.pdf — 1589.337890625 KB
