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Non-metallic couplings for tubes; Elbow joints (Non-metallic -) for flexible pipes; Flexible pipes, tubes, hoses, and fittings therefor, including valves; Flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; Flexible pipes of silicone rubber reinforced with fabric; Flexible hoses of rubber reinforced with synthetic fabric; Flexible hoses composed of plastics; Flexible hoses made of polymeric materials; Non-metallic flexible hose made of polyvinylchloride; Non-metallic flexible hoses of textile; Flexible hoses for conveying liquids; Flexible tubes for use in irrigation; Flexible hoses, not of metal; Non-metallic flexible hoses of textile-reinforced synthetic rubber; Glass fibre reinforced hose; Non-metallic insulated pipes; Flexible tubing containing carbon fibres; Couplings (Non-metallic -) for flexible pipes; Connectors (Non-metallic -) for hoses; Non-metallic semi-rigid pipes for use with pressurised fluids; Tube junctions (Non-metallic -); Pipes made of synthetic flexible material; Hose pipes made of rubber; Non-metallic flexible hoses made of synthetic rubber; Hoses of textile material; Hoses made from elastomer lined woven textiles; Hoses adapted for irrigation purposes; Hoses (Non-metallic -) for industrial purposes; Flexible tubes (Non-metallic -) for the conducting of liquid media; Flexible tubes (Non-metallic -) for the conducting of gaseous media; Hose linings; Hose pipes made of plastic; Non-metallic coupling sleeves for tubes; Non-metallic adjustable hoses