Stan Shiels on centrifugal pumps: Collected articles from 'World Pumps' magazineeBookStan Shiels on centrifugal pumps: Collected articles from 'World Pumps' magazinekaryaStan ShielsPenilaian: 5 dari 5 bintang5/5Simpan Stan Shiels on centrifugal pumps: Collected articles from 'World Pumps' magazine untuk nanti