Metal pipe couplings and joints; Metal hose fittings; Metal couplings for use with radiator hoses; Industrial metal hoses; Metal hoses for plumbing use; Metal adapters for use with hydraulic and pneumatic systems; Fittings of metal for compressed air hoses

Non-metal couplings for use with radiator hoses; Non-metal pipe couplings and joints; Vehicle radiator connecting hoses; Watertight rings for plumbing pipes