A classification system to describe workpieces  [in 2vols]
Opitz, Herwart.
MacConnell, W. A.
Taylor, Robert Arthur Acton.
Oxford Pergamon,
1970
Tab indexed. [105] leaves on publication
Originally published as 'Werkstuckbeschreibendes Klassifizierungessystem'. Essen: Verlag W. Girardet, 1966
Engineering