75361061
Sep 22, 1997
Jul 6, 1999
construction of installations for the purification of gaseous waste and smoke and for the recycling of waste products; construction of installations for the recycling of salts and sodic products
Building Construction and Repairpurification of gaseous waste and smoke; recycling of waste products, salts and sodic products
Treatment of Materialsresearch services and scientific and industrial information services with respect to processes for the purification of gaseous waste and smoke and for the recycling of waste products, salts and sodic products
Computer and Scientific