DIN EN 993-12:1997-06 Methods of test for dense shaped refractory products - Part 12: Determination of pyrometric cone equivalent (refractoriness); German version EN 993-12:1997
1997DIN EN 993-12:1997-06 Methods of test for dense shaped refractory products - Part 12: Determination of pyrometric cone equivalent (refractoriness); German version EN 993-12:1997
1997DIN EN 993-12:1997 Methods of test for dense shaped refractory products - Part 12: Determination of pyrometric cone equivalent (refractoriness); German version EN 993-12:1997
1995DIN EN 993-13:1995 Methods of test for dense shaped refractory products - Part 13: Specification for pyrometric reference cones for laboratory use; German version EN 993-13:1995