Class 37

installation, maintenance and repair of compressors, air pumps and vacuum pumps 158490

压缩机、空气泵和真空泵的安装、维护和修理

Chinese 压缩机、空气泵和真空泵的安装、维护和修理

English installation, maintenance and repair of compressors, air pumps and vacuum pumps

Spanish Instalación, mantenimiento y reparación de compresores, bombas de aire y bombas de vacío.