Enlace original:
https://wedocs.unep.org//handle/20.500.11822/28339
United Nations Environment Programme
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[HS Nomenclature (HS Codes) for HCFCs and Certain Other Ozone Depleting Substances: Post-Kigali Update - OzonAction Fact Sheet]
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HS Nomenclature (HS Codes) for HCFCs and Certain Other Ozone Depleting Substances: Post-Kigali Update - OzonAction Fact Sheet