Decal gi?y ???c thi?t k? và in ?n v?i nhi?u ??c ?i?m, kích th??c khác nhau In decal cu?nSecondary fixation: To raise the contrast from the minute constructions Within the specimen and give extra security, a secondary fixation is carried out making use of osmium tetroxide (OsO4).Vi?c thi?t k? m?u tem v? b?o hành ???c ??i ng? layout chuyên nghi?… Read More