Asbestos safety screens for firemen; Breathing apparatus for underwater swimming; Filters for non-medical respiratory masks; Protection masks; Protective helmets; Respirators other than for artificial respiration; Respiratory masks for non-medical purposes; Shoes for protection against accidents and fire; Shoes for protection against accidents, irradiation and fire; Workmen's protective face-shields; Diving equipment, namely, protective diving shoes; Dust protective goggles and masks; Non-med...