EU Trademark Classification EU37 Construction and repair 燃油燃烧器的调节和修理（61861） Class 37 燃油燃烧器的调节和修理 61861 Chinese 燃油燃烧器的调节和修理 English Oil burner regulation and repair Site ref. 61861 Class 37 Included in Harmonised Database (HDB), TM5 ID List