Sugiyama, G. (1996). Valve apparatus and hydraulic drive system. Patent Office Calcutta.
Chicago Edition CitationSugiyama, Genroku. Valve Apparatus and Hydraulic Drive System. Calcutta: Patent Office Calcutta, 1996.
Cita MLASugiyama, Genroku. Valve Apparatus and Hydraulic Drive System. Patent Office Calcutta, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.