T/CSRA 1-2020
BS EN ISO 2554:1999
Plastics. Unsaturated polyester resins. Determination of hydroxyl value
ISO 2554:1997
Plastics — Unsaturated polyester resins — Determination of hydroxyl value
DIN EN ISO 2554
Unsaturated polyester resins - Determination of hydroxyl value (ISO 2554:1997)
ISO 2554:1974
Plastics — Unsaturated polyester resins — Determination of hydroxyl value