Columbia subject headings:
Harvard subject headings:
Alfa-Laval (Firm)--History.
Bechtolsheim, Clemens von, 1852-1930.
Centrifuges.
Cream-separators.
Engineers--Germany--Biography.
Inventors--Germany--Biography.
Princeton subject headings:
Alfa-Laval (Firm)--History.
Bechtolsheim, Clemens von, 1852-1930.
Centrifuges.
Cream-separators.
Engineers--Germany--Biography.
Inventors--Biography.