DIN EN 933-7:1998-05 Tests for geometrical properties of aggregates - Part 7: Determination of shell content; percentage of shells in coarse aggregates; German version EN 933-7:1998
1998DIN EN 933-7:1998-05 Tests for geometrical properties of aggregates - Part 7: Determination of shell content; percentage of shells in coarse aggregates; German version EN 933-7:1998
1998DIN EN 933-7:1998 Tests for geometrical properties of aggregates - Part 7: Determination of shell content; percentage of shells in coarse aggregates; German version EN 933-7:1998