DIN 51913:2013 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
2013DIN 51913:2013-05 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
2013DIN 51913:2013 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
2001DIN 51913:2001 Testing of carbon materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials