00905nam 2200277 450 991072789860332120230626105616.0978390073464020230626d1977----mm y0engy50 ba engfreFRa 001yyDepreciation of installations and their maintenanceCommission Internationale de L'EclairageParisBureau central de la CIE197729 p.ill.28 cmPublication CIE33b-1977Standard CIE n. 33B (TC-4.6) 1977IlluminotecnicaStandardInternational Commission on Illumination151581ITUNINARICAUNIMARCBK991072789860332110 D IV 190DONODIFRAIA2019DINELDINELDepreciation of installations and their maintenance3387909UNINA