M 121-1998 MANDATE TO CEN/CENELEC CONCERNING THE EXECUTION OF STANDARDISATION WORK FOR HARMONIZED STANDARDS ON INTERNAL AND EXTERNAL WALL AND CEILING FINISHES
1998M 121-1998 MANDATE TO CEN/CENELEC CONCERNING THE EXECUTION OF STANDARDISATION WORK FOR HARMONIZED STANDARDS ON INTERNAL AND EXTERNAL WALL AND CEILING FINISHES