兑水 发表于 2009-10-21 22:59:43

ASTM D 6126-1997 HFC－23(三氟甲烷，CHF3)技术规范

D6126-97(2003)e1 Standard Specification for HFC-23 (Trifluoromethane, CHF3)
页: [1]
查看完整版本: ASTM D 6126-1997 HFC－23(三氟甲烷，CHF3)技术规范