Connecting elements for pipes, pipe connections, repair flanges, support flanges and mounting flanges for pipes and piping, elements for pipes, in particular couplings, joining elements and pitch pockets, leakproof couplings for connecting conventional pipes (laid open most of the time); all aforementioned goods of metal

Clutches (couplings), other than for land vehicles; tube couplings for motor tubes, particularly engines for boats, leakproof couplings for connecting standard tubes (laid open most of the time), not included in class 06