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

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