This report contains information regarding high porosity masses (monolithic) produced after 1988 and having received type approval from the competent authorities in the countries of the CEN members. The data is based on information provided by manufacturers as at 2000-02-29. This list does not claim to be exhaustive.
DS/CEN/CR 14473:2003 history
2003DS/CEN/CR 14473:2003 Transportable gas cylinders - Porous masses for acetylene cylinders