七氟丙烷(HFC227ea)灭火剂 GB18614-2012
前 言
中华人民共和国国家标准
七氟丙烷(HFC227ea)灭火剂
Fire extinguishing agent heptafluoropropane (HFC227ea)
(ISO 14520-9:2006,Gaseous fire-extinguishing systems—Physical
properties and system design—Part9:HFC227ea extinguishant,NE ...