na INLIS000000000064015 20250718022158 0010-0725000024 ta 250718 g 0 eng Tropical Products Institute; G139-G142 : G139 anaerobic digesters for small-scale vegetable processing plants; G140 an industrial profile of fibreboard panel processing; G141 an industrial profile of wool/cement slab manufacture; G142 starch extraction: a check list of commercially available machinery / Tropical Products Institute Cet. 1 London : Tropical Products Institute, 1980 29 cm. TROPICAL PRODUCTS INSTITUTE