Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings
NORMA vydaná dňa 30.12.2011
Označenie normy: GB/T 8923.1-2011
Dátum vydania normy: 30.12.2011
Krajina: Čínska technická norma
Kategória: Technické normy GB