00520 a2200157 4500 9251030243 631.3 AGR 19167 29453 Agricultural engineering in development guidelines for machanization systems and machinery rehabilitation programmes Rome FAO 1990 1990 iv,63p. 30cm FAO agricultural services bulletin 85 Tools, machinery, apparatus, equipment Agriculture and related technologies L 46939 46939 0 0 0 0 LEN MKDL MKDL LEN 2009-07-02 0 631.3AGR 52589 2009-07-02 00:00:00 0.00 2016-10-31 L