Joints of metal for pipes, fittings and shaped parts (not included in other classes); sleeve joints, pipes, fittings and shaped parts of metal (not included in other classes)

Joints for pipes, fittings and shaped parts (not of metal); sleeve joints (not of metal); shaped parts, being semi-finished products (not of metal)

Pipes and fittings (not of metal), shaped parts, not of metal (building material)

Treatment of materials; metal casting