About SEKIYA A
About National Inst. Materials and Chemical Res.
About MISAKI S
About Res. Inst. Innovative Technol. Earth
About CHEMTECH
About refrigerant
About CFC【フロン】
About Regrigerant,brine
About Manufacturing of various organic compounds
About Methylpentafluoroethyl ether
About Heptafluoropropylmethyl ether
About 冷媒
About 研究