Class 37

installation, maintenance and repair of tubular reactor compressors and pumps 158677

管式反应器压缩机和泵的安装、维护和修理

Chinese 管式反应器压缩机和泵的安装、维护和修理

English installation, maintenance and repair of tubular reactor compressors and pumps

Spanish Instalación, mantenimiento y reparación de compresores y bombas para reactores tubulares.