
Paints and varnishes - Determination of density Part 1: Pycnometer method (ISO 2811-1:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Paints and varnishes - Determination of density Part 1: Pycnometer method (ISO 2811-1:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻