當(dāng)前位置:
首頁 >
標(biāo)準(zhǔn)詳情頁

Bs 3900-h5 - Methods Of Test For Paints - Evaluation Of Degradation Of Coatings - Designation Of Quantity And Size Of Defects And Of Intensity Of Changes - Assessment Of Degree Of Flaking
出版:British Standards Institution

專家解讀視頻