Manufacture of other pumps, compressors, taps and valves
manufacture of valves of unhardened vulcanized rubber, glass or of ceramic materials, see 22191, 2310 or 2393. manufacture of hydraulic transmission equipment, see 28120. manufacture of inlet and exhaust valves of internal combustion engines, see 28110
manufacture of air or vacuum pumps, air or other gas compressors
Pembuatan pam, pemampat, kepala paip dan injap lain