EU Trademark Classification EU07 Machinery 氧乙炔焊接设备（16593） Class 07 Oxyacetylene welding apparatus 16593 氧乙炔焊接设备 Chinese 氧乙炔焊接设备 English Oxyacetylene welding apparatus Site ref. 16593 Class 07 Included in Harmonised Database (HDB)