2019NY/T 3388-2018 Distribution classification and codes of pork and pig by-products
2007LST EN 15316-1-2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 1: General
LST EN 15316-1-2007 Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 1: General was changed to NY/T 3388-2018 Distribution classification and codes of pork and pig by-products.