31420928pensPT2026-03-30 20:53:23UF31420929penNDBT31386133drafting, drawing and writing equipment by specific typePTNT31445215ball-point pensPTNT31445222fountain pensPTNT31445226lettering pensPTNT31445231markersPTNT31445234felt-tip pensPTNT31445245quill pensPTNT31445249reed pensPTNT31445252dotting wheelsPTNT31445257dip pensPTNT31445260reservoir pensPTNT31445263capillary pensPTNT31445268technical pensPTRT31322924pen pointsPTRT31401819pen and wash drawingsPT