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Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer
… � � � � � � � � � � � � � � � � � � � � � � � � � � � �775 Resolution on ozone-depleting substances (1990)�� � � � � � � … co-operation in the research, development and transfer of alternative technologies relating to the control and … applications where other more environmentally suitable alternative substances or technologies are not available; (b) …