DIN EN 1936:2007 Natural stone test method - Determination of real density and apparent density, and of total and open porosity; English version of DIN EN 1936:2007-02
2007DIN EN 1936:2007-02 Natural stone test method - Determination of real density and apparent density, and of total and open porosity; German version EN 1936:2006
2007DIN EN 1936:2007 Natural stone test method - Determination of real density and apparent density, and of total and open porosity; English version of DIN EN 1936:2007-02
1970DIN EN 1936:1999 Natural stone test method - Determination of real density and apparent density, and of total and open porosity