WCO 分类路径
8419.50.20
"- - Heat exchange units made of tubes of fluoropolymers, with both inlet and outlet tubes having an inside diameter measuring 3 cm or less"
HS 编码 8419.50.20（第 84 章「机械器具」；子目 841950「换热器」）在菲律宾税则中对应"- - Heat exchange units made of tubes of fluoropolymers, with both inlet and outlet tubes having an inside diameter measuring 3 cm or less"。
同一 HS 6 位前缀 8419.50 在其他国家的税率对照