79307147
Nov 27, 2020
Couplings of metal for tubing; linking devices of metal for tubing; metallic compensators
Metal GoodsSealing joints [parts of machines]; joints for pipes (metal -) [parts of machines]; linking devices [parts of machines]; mechanical seals [machine parts]
MachineryExpansion joints, including fabric and rubber expansion joints, being parts of air or gas conditioning installations
Environmental Control ApparatusInstallation, maintenance and repair of expansion joints, couplings, connectors, sealing joints, mechanical seals and seals
Building Construction and Repair