DIN EN 1170-2:1998-01 Precast concrete products - Test method for glass-fibre reinforced cement - Part 2: Measuring the fibre content in fresh GRC; "wash out test"; German version EN 1170-2:1997
1998DIN EN 1170-2:1998-01 Precast concrete products - Test method for glass-fibre reinforced cement - Part 2: Measuring the fibre content in fresh GRC; "wash out test"; German version EN 1170-2:1997