6
Junctions of metal for pipes; Expansion joints of metal; Couplings of metal for tubing; Junctions of metal for pipes; Junctions of metal for pipes; Joint connectors (Metal -) for pipes; Metal couplings for fire hoses; Junctions of metal for pipes; Couplings of metal for tubing; Junctions of metal for pipes; Fittings of metal for pipes; Junctions of metal for pipes; Metal hose fittings; Junctions of metal for pipes; Couplings of metal for tubing; Pipe unions of metal; Rotating junctions of metal for pipes; Pipe fittings [junctions] of metal; Junctions of metal for pipes including those from alloy steel and titanium
7
Joints (Universal -) [Cardan joints]; Joints (Universal -) [Cardan joints]; Joints (Universal -) [Cardan joints]; Sealing joints [parts of engines]; Joints for tubes (metal -) [parts of machines]; Joints for tubes (metal -) [parts of engines]; Machine couplings [other than pipe]; Setting presses [machines]; Pressure regulators [parts of machines]; Pressure regulators for lubricating installations; Pressure controllers [valves] being parts of machines; Pressure controllers [valves] being parts of machines; Pressure controllers [valves] being parts of machines; Pressure controllers [valves] being parts of machines; Pressure regulating apparatus being parts of machines; Pressure valves [parts of machines]; Valves operated by changes in pressure; Reducers (Pressure -) [parts of machines]; Reducers (Pressure -) [parts of machines]; Clamp connectors for piping [parts of machines]; Joints for tubes (metal -) [parts of engines]
9
Electric couplings; Joint meters; Cable splices for electric cables; Splice connectors [optical]; Splice connectors [electric]; Fibre optic couplings; Conduit couplings [electric]; Pressure regulators; Pressure indicator plugs for valves; Positive displacement meters; Flowmeters; Mass flow sensors; Audio expanders; Flowmeters; Flowmeters; Gas flow meters
11
Water pressure reducers [regulating accessories]; Pressure controllers [regulators] for water pipes; Pressure controllers [regulators] for gas pipes; Pressure relief valves [safety apparatus] for water apparatus; Pressure relief valves [safety apparatus] for gas apparatus; Pressure relief valves [safety apparatus] for gas pipes; Pressure relief valves [safety apparatus] for water pipes
17
Couplings; Hydraulic packing; Heat shrink joints; Sealants for joints; Joint packings; Pipe gaskets; Cylinder jointings; Sealants for joints; Sealants for joints; Elastomer expansion joints; Joint filling compounds; Mastic for sealing joints; Cylinder jointings; Flexible expansion joints; Fire resistant expansion joints; Expansion joint fillers; Sealants for sealing joints; Pipe joint sealant; Fillers for panel joints; Couplings of rubber for tubes; Non-metallic couplings for tubes; Pipe gaskets; Non-metallic couplings for pipes; Connectors (Non-metallic -) for hoses; Connectors (Non-metallic -) for hoses; Joint connectors (Non-metallic -) for pipes; Non-metallic couplings for rigid pipes; Elbow joints (Non-metallic -) for flexible pipes; Non-metal pipe couplings and joints; Couplings (Non-metallic -) for use with high pressure hoses; Rings of rubber for use as pipe connection seals; Chemical compositions for sealingly adhering together pipe joints; Non-metallic couplings for pipes; Connectors (Non-metallic -) for hoses; Connectors (Non-metallic -) for hoses; Tubing connectors [non-metallic] for fuel lines; Junctions, not of metal, for flexible pipes; Non-metallic fittings for pipes; Fittings [non-metallic] for flexible pipes; Pipe fittings [junctions] (non-metallic -); Hose fittings (Non-metallic -); Fittings [non-metallic] for flexible pipes; Fittings, not of metal, for rigid pipes; Connecting hose for vehicle radiators; Couplings (Non-metallic -) for flexible pipes; Fittings, not of metal, for rigid pipes; Connecting hose for vehicle radiators; Pipe fittings comprised primarily of plastic; Connecting hoses for vehicle fuel injectors; Flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; Sealing rings for hose fittings (Non-metallic -); Pipe fittings [junctions] (non-metallic -) parts of rigid water pipes