NF J71-121-1:2010 Inland navigation vessels - Electrical shore connection, three phase current 400 V, up to 63 A, 50 Hz - Part 1 : general requirements.
2010NF J71-121-1:2010 Inland navigation vessels - Electrical shore connection, three phase current 400 V, up to 63 A, 50 Hz - Part 1 : general requirements.