2003DIN EN 1235:2003-08 Solid fertilizers - Test sieving (ISO 8397:1988, modified) (including Amendment A1:2003); German version EN 1235:1995 + A1:2003
2003DIN EN 1235:2003 Solid fertilizers - Test sieving (ISO 8397:1988, modified) (including Amendment A1:2003); German version EN 1235:1995 + A1:2003