Duct board and preformed ducting not for electrical use

Aerosol dispensers for medical purposes; surgical compressors; fumigation apparatus for medical puposes; hot air therapeutic apparatus; inhalers; nebulisers; pumps for medical purposes; respirators; resuscitation apparatus; vaporisers; apparatus for the treatment of asthma and related illnesses; and all other medical apparatus and instruments as are included in this class; and parts of and accessories for such goods as are included in this class

Compositions for incorporation in concrete and mortar mixes, including air entrainment compositions for incorporation in concrete and mortar mixes to improve their properties, including improving workability and plasticity of the concrete and mortar mixes