GB/T 13452.2:2008 Paints and varnishes–Determination of film thickness
GB/T 13452.2:2008色漆和清漆 漆膜厚度的测定
样品要求：至少50×100mm, 3pcs
周期：7~9工作日
GB/T 13452.2:2008 Paints and varnishes–Determination of film thickness
GB/T 13452.2:2008色漆和清漆 漆膜厚度的测定
样品要求：至少50×100mm, 3pcs
周期：7~9工作日