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Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer
… 1 January 2030, provided that such consumption shall be restricted to the servicing of refrigeration and … 1 January 2030, provided that such production shall be restricted to the servicing of refrigeration and … 300, 331 VII/10 Continued uses of controlled substances as chemical process agents after 1996 1 113 VII/11 Laboratory …