| 摘要 |
The purpose of the present invention is to effectively use the space made in a container so that the winding body of the roll can be given a greater length and to reduce the space so that the strength of the unit is improved. The roll (1), which is formed by winding the winding body (2) a plurality of times about a predetermined axis, is provided with spacers (3) in some of the areas in the winding body (2). |
