Vapour or smoke emitting compositions with delayed or sustained release

Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests > Vapour or smoke emitting compositions with delayed or sustained release

Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application ; Substances for reducing the noxious effect of the active ingredients to organisms other than pests > Vapour or smoke emitting compositions with delayed or sustained release