GB/T 19473.2-2020
Polybutene (PB) piping systems for hot and cold water installations—Part 2: Pipes
GB/T 19473.2-2020
GB/T 19473.2-2020
Plastics—Polybutene(PB) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties
GB/T 19473.2-2020
2-Hydroxy-6-naphthoic acid
GB/T 19473.2-2020
GB/T 19473.2-2020
Determination of the unsaturation of isobutene-isoprene rubber—Part 2:1H-NMR method
GB/T 19473.2-2020
Implants for surgery—Hydroxyapatite—Part 2:Coatings of hydroxyapatite
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
Polybutylene(PB) piping systems for hot and cold water installations—Part 2:Pipes
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
Polybutylene (PB) plumbing pipe systems, Part 2: Polybutylene (PB) pipe for hot and cold water applications
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
GB/T 19473.2-2020
2-Hydroxy-6-naphthalene carboxylic acid