Siphon irrigation
35 mm positive film, 47 frames, colour, text 6 p. + 1 sound cassette in En and Fr
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| Format: | Texto biblioteca |
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Rome (Italy) FAO
1976
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| Subjects: | AUDIOVISUAL AIDS, IRRIGATION SYSTEMS, PIPES, EXTENSION ACTIVITIES, MOYEN AUDIOVISUEL, RESEAU D'IRRIGATION, TUYAU, MEDIOS AUDIOVISUALES, SISTEMAS DE RIEGO, TUBERIA, VULGARISATION, EXTENSION, |
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| Summary: | 35 mm positive film, 47 frames, colour, text 6 p. + 1 sound cassette in En and Fr |
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