DIN EN 993-17:1999-01 Methods of test for dense shaped refractory products - Part 17: Determination of bulk density of granular materials by the mercury method with vakuum; German version EN 993-17:1998
1999DIN EN 993-17:1999-01 Methods of test for dense shaped refractory products - Part 17: Determination of bulk density of granular materials by the mercury method with vakuum; German version EN 993-17:1998