80760 ⎘
Parts for transporting or guiding the handled material; Shafts, cylinders, drums, spindles; Arrangement of pairs of drums Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound
Sub-classes:3D PRINTING SYSTEM
#2FILAMENT REPLACEMENT MECHANISM FOR 3D PRINTER AND 3D PRINTING SYSTEM
#3Filament replacement mechanism for 3D printer and 3D printing system
#4FILAMENT REPLACEMENT MECHANISM FOR 3D PRINTER AND 3D PRINTING SYSTEM
#5Unwinder for rolls of paper web material