TY - GEN AU - United Nations Environment Programme PY - 2011 UR - https://wedocs.unep.org/handle/20.500.11822/29824 LA - English KW - hydrochlorofluorocarbon KW - ozone layer KW - ozone TI - HCFCs in the Refrigeration and Air Conditioning Sector: How to prepare for the phase down T2 - HCFCs 空调制冷行业 M3 - Communication or other resource ER -