
PAINTS AND VARNISHES - DETERMINATION OF GLOSS VALUE AT 20 DEGREES, 60 DEGREES AND 85 DEGREES (ISO 2813:2014)
出版:Comite Europeen de Normalisation

專家解讀視頻
PAINTS AND VARNISHES - DETERMINATION OF GLOSS VALUE AT 20 DEGREES, 60 DEGREES AND 85 DEGREES (ISO 2813:2014)
出版:Comite Europeen de Normalisation
專家解讀視頻