This standard specifies the models, main dimensions, power range and signs of the Heilongjiang water system push (tug) ship series. This standard applies to push (tug) ships sailing in the Heilongjiang water system (including Heilongjiang, Ussuri River, Songhua River, Nenjiang River, etc.).
JT/T 349-2004 history
2004JT/T 349-2004 Tugboat series in the Heilongjiang waterway system