Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability — Determination of air permeability
NORMA vydaná dňa 14.5.2018
Designation standards: GB/T 23227-2018
Publication date standards: 14.5.2018
Country: Chinese technical standard
Kategória: Technické normy GB