Graff, Heinz; Babu Bharadwaj, Tr. Lohappani (m) / Graff, Heinz; Babu Bharadwaj, Tr. - State Institute of Languages, TVPM, 1972 - p. ; 22 cm. Subjects--Topical Terms: Tools and fabricating equipments; Engineering Dewey Class. No.: 621.9 GRA-L