
RIGID CELLULAR PLASTICS - DETERMINATION OF THE VOLUME PERCENTAGE OF OPEN CELLS AND OF CLOSED CELLS (ISO 4590:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
RIGID CELLULAR PLASTICS - DETERMINATION OF THE VOLUME PERCENTAGE OF OPEN CELLS AND OF CLOSED CELLS (ISO 4590:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻