
Paints And Varnishes - Evaluation Of Degradation Of Paint Coatings - Designation Of Intensity, Quantity And Size Of Common Types Of Defect - Part 4: Designation Of Degree Of Cracking
出版:Nederlands Normalisatie Instituut

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Paints And Varnishes - Evaluation Of Degradation Of Paint Coatings - Designation Of Intensity, Quantity And Size Of Common Types Of Defect - Part 4: Designation Of Degree Of Cracking
出版:Nederlands Normalisatie Instituut
專家解讀視頻