B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
B62J6/00—Arrangement of optical signalling or lighting devices on cycles; Mounting or supporting thereof; Circuits therefor
B62J6/20—Arrangement of reflectors, e.g. on the wheel spokes ; Lighting devices mounted on wheel spokes
E—FIXED CONSTRUCTIONS
E03—WATER SUPPLY; SEWERAGE
E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
E03C1/28—Odour seals
E03C1/294—Odour seals with provisions against loss of water lock
Compound use of the same processes for the preparation of the same and for the elimination of one or more oxides or gaseous halogens from a mixture of gases containing them composite material film device for fixing gases and electrical and optical sensor for gas concentrations