Liquid Ring Vacuum Pumps, Compressors and Systems: Conventional and Hermetic DesigneBookLiquid Ring Vacuum Pumps, Compressors and Systems: Conventional and Hermetic DesignkaryaHelmut BannwarthPenilaian: 0 dari 5 bintang0 penilaianSimpan Liquid Ring Vacuum Pumps, Compressors and Systems: Conventional and Hermetic Design untuk nanti