ITU-R SM.1270
Additional information for monitoring purposes related to classification and designation of emission
现行
发布日期 :
2001-07-01
实施日期 :
ISO 1270:1975 EN 9b4f0c58
Plastics — PVC resins — Determination of ash and sulphated ash
废止
发布日期 :
1975-06-01
实施日期 :