31371139screen processesPT2026-03-30 20:40:05UF31371140screen processNDUF31371141colour screen processesNDUF31371142screen processes, colourNDUF31371143color screen processesNDUF31371144screen plate processesNDUF31371145screen processes, colorNDUF31371146screen-plate processesNDBT31340464additive color processesPTNT31409972DufaycolorPTNT31409975FinlaycolorPT