Elbows of metal for pipes; Manually operated metal valves; Metal adapters for use with hydraulic and pneumatic systems; Metal connectors for pipes; Metal elbows for flexible pipes; Metal elbows for pipes; Metal pipe connectors; Metal pipe fittings; Metal pipe fittings for compressed air pipes; Metal pipe fittings, namely, rosettes; Metal thread adapters for use with hydraulic and pneumatic systems; Metal valves not being parts of machines; Pipe connectors of metal; Pipe fittings of metal; Sel...