Theobald, G. H.
Methods and machines for tile and other tube drainage, prepared by G.H. Theobald. - Rome, Food and Agriculture Organization of the United Nations, 1963. - xiii, 104 pages illustrations 23 cm. - FAO agricultural development paper no. 78 . - FAO agricultural development paper ; no. 78. .
Includes bibliographical references (pages 101-104).
65001321
GB6-42215 uk b64-22155 uk
Drainage.
Drain-tiles.
Drain-tiles.
Drainage.
Drain-tiles Drainage slootreinigers ditch cleaners drainageploegen drain ploughs drainage uitrusting drainage equipment drainage door leidingen pipe drainage ondergrondse drainage subsurface drainage buisdrainage tile drainage sleufgravers trench cutters
S401.U6 / A13 no. 78
631.6 / F.A.O
631.51/.6 K3
Methods and machines for tile and other tube drainage, prepared by G.H. Theobald. - Rome, Food and Agriculture Organization of the United Nations, 1963. - xiii, 104 pages illustrations 23 cm. - FAO agricultural development paper no. 78 . - FAO agricultural development paper ; no. 78. .
Includes bibliographical references (pages 101-104).
65001321
GB6-42215 uk b64-22155 uk
Drainage.
Drain-tiles.
Drain-tiles.
Drainage.
Drain-tiles Drainage slootreinigers ditch cleaners drainageploegen drain ploughs drainage uitrusting drainage equipment drainage door leidingen pipe drainage ondergrondse drainage subsurface drainage buisdrainage tile drainage sleufgravers trench cutters
S401.U6 / A13 no. 78
631.6 / F.A.O
631.51/.6 K3