Tractors, machinery for agriculture and forestry, powered lawn and garden equipment. Symbols for operator controls and other displays. Symbols for manual portable forestry machinery— 8 стр.
Plastics piping systems. Injection-moulded thermoplastics fittings, valves and ancillary equipment. Determination of the long-term hydrostatic strength of thermoplastics materials for injection moulding of piping components— 8 стр.
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene— 54 стр.
