This standard specifies the terminology, model and basic parameters, requirements, test methods, inspection rules, marking, transportation and storage of gray trucks. This standard is applicable to the manufacture and inspection of tank-type ash loading trucks modified with stereotyped Class II automobile chassis.
SY/T 5439-2003 history
2016SY/T 5557-2016 Oil and gas drilling equipment cementing complete equipment
2009SY/T 5557-2009 Technical specification for cenmenting package