U (with device of triangle)

[Class - 20]

Plastic products not included in other classes; non-metallic valves (other than parts of machines), included in this class; valves for gaseous, liquid and pumpable fluids, valves for use in the beverages and foodstuffs industry as well as for the pharmaceutical, chemical and food industries, included in this class; connection and retaining valves for tanks and containers, tank bottom valves, retaining valves for tanks, included in this class; expansion compensators of wood, plastic, cork, reed or horn, included in this class; scrapers, scraper stoppers, scraper forwarding and receiving stations, any non-metallic product included in this class; accessories for all the aforementioned products, included in this class.