Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 4: Initial surface conditions preparation grades and flash rust grades in connection with high-pressure water jetting
NORMA vydaná dňa 19.7.2013
Označenie normy: GB/T 8923.4-2013
Dátum vydania normy: 19.7.2013
Krajina: Čínska technická norma
Kategória: Technické normy GB