Eight simple surveying levels - Constructed and compared by John Collett and John Boyd
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | d |
| Published: |
London (UK) Intermediate Technology Pub.
nd]
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| Subjects: | FARM SURVEYS, SURVEYING, FARMS, ENQUETE SUR EXPLOITATIONS AGRICOLES, ENCUESTAS SOBRE EXPLOTACIONES, RELEVE (DES DONNEES), EXPLOITATION AGRICOLE, PROCEDIMIENTO DE LA ENCUESTA, EXPLOTACIONES AGRARIAS, |
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